diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.V2.json b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.V2.json
index b9b87c7..e7c4786 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.V2.json
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.V2.json
@@ -1,4 +1,4 @@
-{
+{
   "swagger": "2.0",
   "info": {
     "title": "OData Service for namespace ",
@@ -67,6 +67,10 @@
           "type": "string"
         }
       }
+    },
+    "ODataCountResponse": {
+      "format": "int32",
+      "type": "integer"
     }
   },
   "parameters": {
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.V2.yaml b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.V2.yaml
index c1586c9..b02a897 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.V2.yaml
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.V2.yaml
@@ -1,4 +1,4 @@
-swagger: '2.0'
+swagger: '2.0'
 info:
   title: 'OData Service for namespace '
   description: This OData service is located at http://localhost
@@ -46,6 +46,9 @@ definitions:
         type: string
       target:
         type: string
+  ODataCountResponse:
+    format: int32
+    type: integer
 parameters:
   top:
     in: query
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.json b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.json
index b7ace77..4c2bcc7 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.json
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.json
@@ -1,4 +1,4 @@
-{
+{
   "openapi": "3.0.1",
   "info": {
     "title": "OData Service for namespace ",
@@ -69,6 +69,10 @@
             "type": "string"
           }
         }
+      },
+      "ODataCountResponse": {
+        "type": "integer",
+        "format": "int32"
       }
     },
     "responses": {
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.yaml b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.yaml
index 28eaf3e..04f3b17 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.yaml
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Empty.OpenApi.yaml
@@ -1,4 +1,4 @@
-openapi: 3.0.1
+openapi: 3.0.1
 info:
   title: 'OData Service for namespace '
   description: This OData service is located at http://localhost
@@ -46,6 +46,9 @@ components:
           type: string
         target:
           type: string
+    ODataCountResponse:
+      type: integer
+      format: int32
   responses:
     error:
       description: error
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.V2.json b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.V2.json
index 326eeb1..2c01342 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.V2.json
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.V2.json
@@ -1,4 +1,4 @@
-{
+{
   "swagger": "2.0",
   "info": {
     "title": "OData Service for namespace Default",
@@ -289,6 +289,26 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Categories/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Categories",
+        "produces": [
+          "text/plain"
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/Documents": {
       "get": {
         "tags": [
@@ -827,6 +847,39 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Documents({Id})/Revisions/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Revisions",
+        "produces": [
+          "text/plain"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "Id",
+            "description": "key: Id of DocumentDto",
+            "required": true,
+            "type": "integer",
+            "format": "int32",
+            "maximum": 2147483647,
+            "minimum": -2147483648,
+            "x-ms-docs-key-type": "DocumentDto"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/Documents({Id})/Revisions/$ref": {
       "get": {
         "tags": [
@@ -983,6 +1036,26 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Documents/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Documents",
+        "produces": [
+          "text/plain"
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/Libraries": {
       "get": {
         "tags": [
@@ -1483,6 +1556,39 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Libraries({Id})/Documents/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Documents",
+        "produces": [
+          "text/plain"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "Id",
+            "description": "key: Id of LibraryDto",
+            "required": true,
+            "type": "integer",
+            "format": "int32",
+            "maximum": 2147483647,
+            "minimum": -2147483648,
+            "x-ms-docs-key-type": "LibraryDto"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/Libraries({Id})/Documents/$ref": {
       "get": {
         "tags": [
@@ -1625,6 +1731,26 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Libraries/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Libraries",
+        "produces": [
+          "text/plain"
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/Revisions": {
       "get": {
         "tags": [
@@ -2184,6 +2310,26 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Revisions/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Revisions",
+        "produces": [
+          "text/plain"
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/Tasks": {
       "get": {
         "tags": [
@@ -2722,6 +2868,39 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Tasks({Id})/Revisions/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Revisions",
+        "produces": [
+          "text/plain"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "Id",
+            "description": "key: Id of DocumentDto",
+            "required": true,
+            "type": "integer",
+            "format": "int32",
+            "maximum": 2147483647,
+            "minimum": -2147483648,
+            "x-ms-docs-key-type": "DocumentDto"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/Tasks({Id})/Revisions/$ref": {
       "get": {
         "tags": [
@@ -2877,6 +3056,26 @@
         },
         "x-ms-docs-operation-type": "operation"
       }
+    },
+    "/Tasks/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Tasks",
+        "produces": [
+          "text/plain"
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
     }
   },
   "definitions": {
@@ -4637,6 +4836,10 @@
           "type": "string"
         }
       }
+    },
+    "ODataCountResponse": {
+      "format": "int32",
+      "type": "integer"
     }
   },
   "parameters": {
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.V2.yaml b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.V2.yaml
index 4275c6d..2eaef7d 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.V2.yaml
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.V2.yaml
@@ -1,4 +1,4 @@
-swagger: '2.0'
+swagger: '2.0'
 info:
   title: OData Service for namespace Default
   description: This OData service is located at http://localhost
@@ -199,6 +199,19 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  /Categories/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Categories
+      produces:
+        - text/plain
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   /Documents:
     get:
       tags:
@@ -588,6 +601,29 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  '/Documents({Id})/Revisions/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Revisions
+      produces:
+        - text/plain
+      parameters:
+        - in: path
+          name: Id
+          description: 'key: Id of DocumentDto'
+          required: true
+          type: integer
+          format: int32
+          maximum: 2147483647
+          minimum: -2147483648
+          x-ms-docs-key-type: DocumentDto
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   '/Documents({Id})/Revisions/$ref':
     get:
       tags:
@@ -701,6 +737,19 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  /Documents/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Documents
+      produces:
+        - text/plain
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   /Libraries:
     get:
       tags:
@@ -1063,6 +1112,29 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  '/Libraries({Id})/Documents/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Documents
+      produces:
+        - text/plain
+      parameters:
+        - in: path
+          name: Id
+          description: 'key: Id of LibraryDto'
+          required: true
+          type: integer
+          format: int32
+          maximum: 2147483647
+          minimum: -2147483648
+          x-ms-docs-key-type: LibraryDto
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   '/Libraries({Id})/Documents/$ref':
     get:
       tags:
@@ -1162,6 +1234,19 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  /Libraries/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Libraries
+      produces:
+        - text/plain
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   /Revisions:
     get:
       tags:
@@ -1581,6 +1666,19 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  /Revisions/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Revisions
+      produces:
+        - text/plain
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   /Tasks:
     get:
       tags:
@@ -1970,6 +2068,29 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  '/Tasks({Id})/Revisions/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Revisions
+      produces:
+        - text/plain
+      parameters:
+        - in: path
+          name: Id
+          description: 'key: Id of DocumentDto'
+          required: true
+          type: integer
+          format: int32
+          maximum: 2147483647
+          minimum: -2147483648
+          x-ms-docs-key-type: DocumentDto
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   '/Tasks({Id})/Revisions/$ref':
     get:
       tags:
@@ -2083,6 +2204,19 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  /Tasks/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Tasks
+      produces:
+        - text/plain
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
 definitions:
   Siterra.Documents.App.DTO.DocumentDto:
     title: DocumentDto
@@ -3439,6 +3573,9 @@ definitions:
         type: string
       target:
         type: string
+  ODataCountResponse:
+    format: int32
+    type: integer
 parameters:
   top:
     in: query
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.json b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.json
index 383ef8e..6d77ca6 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.json
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.json
@@ -1,4 +1,4 @@
-{
+{
   "openapi": "3.0.1",
   "info": {
     "title": "OData Service for namespace Default",
@@ -322,6 +322,27 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Categories/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Categories",
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/Documents": {
       "get": {
         "tags": [
@@ -929,6 +950,42 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Documents({Id})/Revisions/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Revisions",
+        "parameters": [
+          {
+            "name": "Id",
+            "in": "path",
+            "description": "key: Id of DocumentDto",
+            "required": true,
+            "schema": {
+              "maximum": 2147483647,
+              "minimum": -2147483648,
+              "type": "integer",
+              "format": "int32"
+            },
+            "x-ms-docs-key-type": "DocumentDto"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/Documents({Id})/Revisions/$ref": {
       "get": {
         "tags": [
@@ -1095,6 +1152,27 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Documents/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Documents",
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/Libraries": {
       "get": {
         "tags": [
@@ -1661,6 +1739,42 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Libraries({Id})/Documents/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Documents",
+        "parameters": [
+          {
+            "name": "Id",
+            "in": "path",
+            "description": "key: Id of LibraryDto",
+            "required": true,
+            "schema": {
+              "maximum": 2147483647,
+              "minimum": -2147483648,
+              "type": "integer",
+              "format": "int32"
+            },
+            "x-ms-docs-key-type": "LibraryDto"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/Libraries({Id})/Documents/$ref": {
       "get": {
         "tags": [
@@ -1813,6 +1927,27 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Libraries/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Libraries",
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/Revisions": {
       "get": {
         "tags": [
@@ -2497,6 +2632,27 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Revisions/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Revisions",
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/Tasks": {
       "get": {
         "tags": [
@@ -3104,6 +3260,42 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Tasks({Id})/Revisions/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Revisions",
+        "parameters": [
+          {
+            "name": "Id",
+            "in": "path",
+            "description": "key: Id of DocumentDto",
+            "required": true,
+            "schema": {
+              "maximum": 2147483647,
+              "minimum": -2147483648,
+              "type": "integer",
+              "format": "int32"
+            },
+            "x-ms-docs-key-type": "DocumentDto"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/Tasks({Id})/Revisions/$ref": {
       "get": {
         "tags": [
@@ -3269,6 +3461,27 @@
         },
         "x-ms-docs-operation-type": "operation"
       }
+    },
+    "/Tasks/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Tasks",
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
     }
   },
   "components": {
@@ -5226,6 +5439,10 @@
             "type": "string"
           }
         }
+      },
+      "ODataCountResponse": {
+        "type": "integer",
+        "format": "int32"
       }
     },
     "responses": {
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.yaml b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.yaml
index 7ceeab4..6e4807a 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.yaml
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/Multiple.Schema.OpenApi.yaml
@@ -1,4 +1,4 @@
-openapi: 3.0.1
+openapi: 3.0.1
 info:
   title: OData Service for namespace Default
   description: This OData service is located at http://localhost
@@ -219,6 +219,19 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  /Categories/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Categories
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   /Documents:
     get:
       tags:
@@ -652,6 +665,30 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  '/Documents({Id})/Revisions/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Revisions
+      parameters:
+        - name: Id
+          in: path
+          description: 'key: Id of DocumentDto'
+          required: true
+          schema:
+            maximum: 2147483647
+            minimum: -2147483648
+            type: integer
+            format: int32
+          x-ms-docs-key-type: DocumentDto
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   '/Documents({Id})/Revisions/$ref':
     get:
       tags:
@@ -770,6 +807,19 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  /Documents/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Documents
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   /Libraries:
     get:
       tags:
@@ -1175,6 +1225,30 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  '/Libraries({Id})/Documents/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Documents
+      parameters:
+        - name: Id
+          in: path
+          description: 'key: Id of LibraryDto'
+          required: true
+          schema:
+            maximum: 2147483647
+            minimum: -2147483648
+            type: integer
+            format: int32
+          x-ms-docs-key-type: LibraryDto
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   '/Libraries({Id})/Documents/$ref':
     get:
       tags:
@@ -1279,6 +1353,19 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  /Libraries/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Libraries
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   /Revisions:
     get:
       tags:
@@ -1778,6 +1865,19 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  /Revisions/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Revisions
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   /Tasks:
     get:
       tags:
@@ -2211,6 +2311,30 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  '/Tasks({Id})/Revisions/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Revisions
+      parameters:
+        - name: Id
+          in: path
+          description: 'key: Id of DocumentDto'
+          required: true
+          schema:
+            maximum: 2147483647
+            minimum: -2147483648
+            type: integer
+            format: int32
+          x-ms-docs-key-type: DocumentDto
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   '/Tasks({Id})/Revisions/$ref':
     get:
       tags:
@@ -2329,6 +2453,19 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  /Tasks/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Tasks
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
 components:
   schemas:
     Siterra.Documents.App.DTO.DocumentDto:
@@ -3831,6 +3968,9 @@ components:
           type: string
         target:
           type: string
+    ODataCountResponse:
+      type: integer
+      format: int32
   responses:
     error:
       description: error
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.V2.json b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.V2.json
index 7949025..31c8c74 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.V2.json
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.V2.json
@@ -1,4 +1,4 @@
-{
+{
   "swagger": "2.0",
   "info": {
     "title": "OData Service for namespace Microsoft.OData.Service.Sample.TrippinInMemory.Models",
@@ -265,6 +265,26 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Airlines/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Airlines",
+        "produces": [
+          "text/plain"
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/Airports": {
       "get": {
         "tags": [
@@ -527,6 +547,26 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Airports/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Airports",
+        "produces": [
+          "text/plain"
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/GetNearestAirport(lat={lat},lon={lon})": {
       "get": {
         "tags": [
@@ -1000,6 +1040,26 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Me/Friends/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Friends",
+        "produces": [
+          "text/plain"
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/Me/Friends/$ref": {
       "get": {
         "tags": [
@@ -1836,6 +1896,39 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Me/Trips/{TripId}/PlanItems/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.PlanItems",
+        "produces": [
+          "text/plain"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "TripId",
+            "description": "key: TripId of Trip",
+            "required": true,
+            "type": "integer",
+            "format": "int32",
+            "maximum": 2147483647,
+            "minimum": -2147483648,
+            "x-ms-docs-key-type": "Trip"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/Me/Trips/{TripId}/PlanItems/$ref": {
       "get": {
         "tags": [
@@ -1968,6 +2061,26 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Me/Trips/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Trips",
+        "produces": [
+          "text/plain"
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/NewComePeople": {
       "get": {
         "tags": [
@@ -2634,6 +2747,36 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/NewComePeople/{UserName}/Friends/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Friends",
+        "produces": [
+          "text/plain"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "UserName",
+            "description": "key: UserName of Person",
+            "required": true,
+            "type": "string",
+            "x-ms-docs-key-type": "Person"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/NewComePeople/{UserName}/Friends/$ref": {
       "get": {
         "tags": [
@@ -3592,6 +3735,47 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/NewComePeople/{UserName}/Trips/{TripId}/PlanItems/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.PlanItems",
+        "produces": [
+          "text/plain"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "UserName",
+            "description": "key: UserName of Person",
+            "required": true,
+            "type": "string",
+            "x-ms-docs-key-type": "Person"
+          },
+          {
+            "in": "path",
+            "name": "TripId",
+            "description": "key: TripId of Trip",
+            "required": true,
+            "type": "integer",
+            "format": "int32",
+            "maximum": 2147483647,
+            "minimum": -2147483648,
+            "x-ms-docs-key-type": "Trip"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/NewComePeople/{UserName}/Trips/{TripId}/PlanItems/$ref": {
       "get": {
         "tags": [
@@ -3740,6 +3924,56 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/NewComePeople/{UserName}/Trips/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Trips",
+        "produces": [
+          "text/plain"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "UserName",
+            "description": "key: UserName of Person",
+            "required": true,
+            "type": "string",
+            "x-ms-docs-key-type": "Person"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
+    "/NewComePeople/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.NewComePeople",
+        "produces": [
+          "text/plain"
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/People": {
       "get": {
         "tags": [
@@ -4406,6 +4640,36 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/People/{UserName}/Friends/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Friends",
+        "produces": [
+          "text/plain"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "UserName",
+            "description": "key: UserName of Person",
+            "required": true,
+            "type": "string",
+            "x-ms-docs-key-type": "Person"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/People/{UserName}/Friends/$ref": {
       "get": {
         "tags": [
@@ -5364,6 +5628,47 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/People/{UserName}/Trips/{TripId}/PlanItems/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.PlanItems",
+        "produces": [
+          "text/plain"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "UserName",
+            "description": "key: UserName of Person",
+            "required": true,
+            "type": "string",
+            "x-ms-docs-key-type": "Person"
+          },
+          {
+            "in": "path",
+            "name": "TripId",
+            "description": "key: TripId of Trip",
+            "required": true,
+            "type": "integer",
+            "format": "int32",
+            "maximum": 2147483647,
+            "minimum": -2147483648,
+            "x-ms-docs-key-type": "Trip"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/People/{UserName}/Trips/{TripId}/PlanItems/$ref": {
       "get": {
         "tags": [
@@ -5512,6 +5817,56 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/People/{UserName}/Trips/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Trips",
+        "produces": [
+          "text/plain"
+        ],
+        "parameters": [
+          {
+            "in": "path",
+            "name": "UserName",
+            "description": "key: UserName of Person",
+            "required": true,
+            "type": "string",
+            "x-ms-docs-key-type": "Person"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
+    "/People/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.People",
+        "produces": [
+          "text/plain"
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "schema": {
+              "$ref": "#/definitions/ODataCountResponse"
+            }
+          },
+          "default": {
+            "$ref": "#/responses/error"
+          }
+        }
+      }
+    },
     "/ResetDataSource": {
       "post": {
         "tags": [
@@ -6135,6 +6490,10 @@
           "type": "string"
         }
       }
+    },
+    "ODataCountResponse": {
+      "format": "int32",
+      "type": "integer"
     }
   },
   "parameters": {
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.V2.yaml b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.V2.yaml
index 5a5533a..9f81cb6 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.V2.yaml
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.V2.yaml
@@ -1,4 +1,4 @@
-swagger: '2.0'
+swagger: '2.0'
 info:
   title: OData Service for namespace Microsoft.OData.Service.Sample.TrippinInMemory.Models
   description: This OData service is located at http://services.odata.org/TrippinRESTierService
@@ -175,6 +175,19 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  /Airlines/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Airlines
+      produces:
+        - text/plain
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   /Airports:
     get:
       tags:
@@ -350,6 +363,19 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  /Airports/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Airports
+      produces:
+        - text/plain
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   '/GetNearestAirport(lat={lat},lon={lon})':
     get:
       tags:
@@ -684,6 +710,19 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  /Me/Friends/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Friends
+      produces:
+        - text/plain
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   /Me/Friends/$ref:
     get:
       tags:
@@ -1261,6 +1300,29 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  '/Me/Trips/{TripId}/PlanItems/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.PlanItems
+      produces:
+        - text/plain
+      parameters:
+        - in: path
+          name: TripId
+          description: 'key: TripId of Trip'
+          required: true
+          type: integer
+          format: int32
+          maximum: 2147483647
+          minimum: -2147483648
+          x-ms-docs-key-type: Trip
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   '/Me/Trips/{TripId}/PlanItems/$ref':
     get:
       tags:
@@ -1350,6 +1412,19 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  /Me/Trips/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Trips
+      produces:
+        - text/plain
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   /NewComePeople:
     get:
       tags:
@@ -1825,6 +1900,26 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  '/NewComePeople/{UserName}/Friends/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Friends
+      produces:
+        - text/plain
+      parameters:
+        - in: path
+          name: UserName
+          description: 'key: UserName of Person'
+          required: true
+          type: string
+          x-ms-docs-key-type: Person
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   '/NewComePeople/{UserName}/Friends/$ref':
     get:
       tags:
@@ -2493,6 +2588,35 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  '/NewComePeople/{UserName}/Trips/{TripId}/PlanItems/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.PlanItems
+      produces:
+        - text/plain
+      parameters:
+        - in: path
+          name: UserName
+          description: 'key: UserName of Person'
+          required: true
+          type: string
+          x-ms-docs-key-type: Person
+        - in: path
+          name: TripId
+          description: 'key: TripId of Trip'
+          required: true
+          type: integer
+          format: int32
+          maximum: 2147483647
+          minimum: -2147483648
+          x-ms-docs-key-type: Trip
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   '/NewComePeople/{UserName}/Trips/{TripId}/PlanItems/$ref':
     get:
       tags:
@@ -2594,6 +2718,39 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  '/NewComePeople/{UserName}/Trips/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Trips
+      produces:
+        - text/plain
+      parameters:
+        - in: path
+          name: UserName
+          description: 'key: UserName of Person'
+          required: true
+          type: string
+          x-ms-docs-key-type: Person
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
+  /NewComePeople/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.NewComePeople
+      produces:
+        - text/plain
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   /People:
     get:
       tags:
@@ -3069,6 +3226,26 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  '/People/{UserName}/Friends/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Friends
+      produces:
+        - text/plain
+      parameters:
+        - in: path
+          name: UserName
+          description: 'key: UserName of Person'
+          required: true
+          type: string
+          x-ms-docs-key-type: Person
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   '/People/{UserName}/Friends/$ref':
     get:
       tags:
@@ -3737,6 +3914,35 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  '/People/{UserName}/Trips/{TripId}/PlanItems/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.PlanItems
+      produces:
+        - text/plain
+      parameters:
+        - in: path
+          name: UserName
+          description: 'key: UserName of Person'
+          required: true
+          type: string
+          x-ms-docs-key-type: Person
+        - in: path
+          name: TripId
+          description: 'key: TripId of Trip'
+          required: true
+          type: integer
+          format: int32
+          maximum: 2147483647
+          minimum: -2147483648
+          x-ms-docs-key-type: Trip
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   '/People/{UserName}/Trips/{TripId}/PlanItems/$ref':
     get:
       tags:
@@ -3838,6 +4044,39 @@ paths:
         default:
           $ref: '#/responses/error'
       x-ms-docs-operation-type: operation
+  '/People/{UserName}/Trips/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Trips
+      produces:
+        - text/plain
+      parameters:
+        - in: path
+          name: UserName
+          description: 'key: UserName of Person'
+          required: true
+          type: string
+          x-ms-docs-key-type: Person
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
+  /People/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.People
+      produces:
+        - text/plain
+      responses:
+        '200':
+          description: The count of the resource
+          schema:
+            $ref: '#/definitions/ODataCountResponse'
+        default:
+          $ref: '#/responses/error'
   /ResetDataSource:
     post:
       tags:
@@ -4244,6 +4483,9 @@ definitions:
         type: string
       target:
         type: string
+  ODataCountResponse:
+    format: int32
+    type: integer
 parameters:
   top:
     in: query
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.json b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.json
index 4c06fd0..c74a395 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.json
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.json
@@ -1,4 +1,4 @@
-{
+{
   "openapi": "3.0.1",
   "info": {
     "title": "OData Service for namespace Microsoft.OData.Service.Sample.TrippinInMemory.Models",
@@ -297,6 +297,27 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Airlines/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Airlines",
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/Airports": {
       "get": {
         "tags": [
@@ -591,6 +612,27 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Airports/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Airports",
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/GetNearestAirport(lat={lat},lon={lon})": {
       "get": {
         "tags": [
@@ -1151,6 +1193,27 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Me/Friends/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Friends",
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/Me/Friends/$ref": {
       "get": {
         "tags": [
@@ -2074,6 +2137,42 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Me/Trips/{TripId}/PlanItems/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.PlanItems",
+        "parameters": [
+          {
+            "name": "TripId",
+            "in": "path",
+            "description": "key: TripId of Trip",
+            "required": true,
+            "schema": {
+              "maximum": 2147483647,
+              "minimum": -2147483648,
+              "type": "integer",
+              "format": "int32"
+            },
+            "x-ms-docs-key-type": "Trip"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/Me/Trips/{TripId}/PlanItems/$ref": {
       "get": {
         "tags": [
@@ -2216,6 +2315,27 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/Me/Trips/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Trips",
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/NewComePeople": {
       "get": {
         "tags": [
@@ -2961,6 +3081,39 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/NewComePeople/{UserName}/Friends/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Friends",
+        "parameters": [
+          {
+            "name": "UserName",
+            "in": "path",
+            "description": "key: UserName of Person",
+            "required": true,
+            "schema": {
+              "type": "string"
+            },
+            "x-ms-docs-key-type": "Person"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/NewComePeople/{UserName}/Friends/$ref": {
       "get": {
         "tags": [
@@ -4044,6 +4197,52 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/NewComePeople/{UserName}/Trips/{TripId}/PlanItems/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.PlanItems",
+        "parameters": [
+          {
+            "name": "UserName",
+            "in": "path",
+            "description": "key: UserName of Person",
+            "required": true,
+            "schema": {
+              "type": "string"
+            },
+            "x-ms-docs-key-type": "Person"
+          },
+          {
+            "name": "TripId",
+            "in": "path",
+            "description": "key: TripId of Trip",
+            "required": true,
+            "schema": {
+              "maximum": 2147483647,
+              "minimum": -2147483648,
+              "type": "integer",
+              "format": "int32"
+            },
+            "x-ms-docs-key-type": "Trip"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/NewComePeople/{UserName}/Trips/{TripId}/PlanItems/$ref": {
       "get": {
         "tags": [
@@ -4206,6 +4405,60 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/NewComePeople/{UserName}/Trips/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Trips",
+        "parameters": [
+          {
+            "name": "UserName",
+            "in": "path",
+            "description": "key: UserName of Person",
+            "required": true,
+            "schema": {
+              "type": "string"
+            },
+            "x-ms-docs-key-type": "Person"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
+    "/NewComePeople/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.NewComePeople",
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/People": {
       "get": {
         "tags": [
@@ -4951,6 +5204,39 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/People/{UserName}/Friends/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Friends",
+        "parameters": [
+          {
+            "name": "UserName",
+            "in": "path",
+            "description": "key: UserName of Person",
+            "required": true,
+            "schema": {
+              "type": "string"
+            },
+            "x-ms-docs-key-type": "Person"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/People/{UserName}/Friends/$ref": {
       "get": {
         "tags": [
@@ -6034,6 +6320,52 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/People/{UserName}/Trips/{TripId}/PlanItems/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.PlanItems",
+        "parameters": [
+          {
+            "name": "UserName",
+            "in": "path",
+            "description": "key: UserName of Person",
+            "required": true,
+            "schema": {
+              "type": "string"
+            },
+            "x-ms-docs-key-type": "Person"
+          },
+          {
+            "name": "TripId",
+            "in": "path",
+            "description": "key: TripId of Trip",
+            "required": true,
+            "schema": {
+              "maximum": 2147483647,
+              "minimum": -2147483648,
+              "type": "integer",
+              "format": "int32"
+            },
+            "x-ms-docs-key-type": "Trip"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/People/{UserName}/Trips/{TripId}/PlanItems/$ref": {
       "get": {
         "tags": [
@@ -6196,6 +6528,60 @@
         "x-ms-docs-operation-type": "operation"
       }
     },
+    "/People/{UserName}/Trips/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.Trips",
+        "parameters": [
+          {
+            "name": "UserName",
+            "in": "path",
+            "description": "key: UserName of Person",
+            "required": true,
+            "schema": {
+              "type": "string"
+            },
+            "x-ms-docs-key-type": "Person"
+          }
+        ],
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
+    "/People/$count": {
+      "get": {
+        "summary": "Get the number of the resource",
+        "operationId": "Get.Count.People",
+        "responses": {
+          "200": {
+            "description": "The count of the resource",
+            "content": {
+              "text/plain": {
+                "schema": {
+                  "$ref": "#/components/schemas/ODataCountResponse"
+                }
+              }
+            }
+          },
+          "default": {
+            "$ref": "#/components/responses/error"
+          }
+        }
+      }
+    },
     "/ResetDataSource": {
       "post": {
         "tags": [
@@ -6964,6 +7350,10 @@
             "type": "string"
           }
         }
+      },
+      "ODataCountResponse": {
+        "type": "integer",
+        "format": "int32"
       }
     },
     "responses": {
diff --git a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.yaml b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.yaml
index 7b9f87f..1003e1a 100644
--- a/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.yaml
+++ b/test/Microsoft.OpenAPI.OData.Reader.Tests/Resources/TripService.OpenApi.yaml
@@ -1,4 +1,4 @@
-openapi: 3.0.1
+openapi: 3.0.1
 info:
   title: OData Service for namespace Microsoft.OData.Service.Sample.TrippinInMemory.Models
   description: This OData service is located at http://services.odata.org/TrippinRESTierService
@@ -194,6 +194,19 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  /Airlines/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Airlines
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   /Airports:
     get:
       tags:
@@ -390,6 +403,19 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  /Airports/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Airports
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   '/GetNearestAirport(lat={lat},lon={lon})':
     get:
       tags:
@@ -772,6 +798,19 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  /Me/Friends/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Friends
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   /Me/Friends/$ref:
     get:
       tags:
@@ -1396,6 +1435,30 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  '/Me/Trips/{TripId}/PlanItems/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.PlanItems
+      parameters:
+        - name: TripId
+          in: path
+          description: 'key: TripId of Trip'
+          required: true
+          schema:
+            maximum: 2147483647
+            minimum: -2147483648
+            type: integer
+            format: int32
+          x-ms-docs-key-type: Trip
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   '/Me/Trips/{TripId}/PlanItems/$ref':
     get:
       tags:
@@ -1490,6 +1553,19 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  /Me/Trips/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Trips
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   /NewComePeople:
     get:
       tags:
@@ -2015,6 +2091,27 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  '/NewComePeople/{UserName}/Friends/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Friends
+      parameters:
+        - name: UserName
+          in: path
+          description: 'key: UserName of Person'
+          required: true
+          schema:
+            type: string
+          x-ms-docs-key-type: Person
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   '/NewComePeople/{UserName}/Friends/$ref':
     get:
       tags:
@@ -2749,6 +2846,37 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  '/NewComePeople/{UserName}/Trips/{TripId}/PlanItems/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.PlanItems
+      parameters:
+        - name: UserName
+          in: path
+          description: 'key: UserName of Person'
+          required: true
+          schema:
+            type: string
+          x-ms-docs-key-type: Person
+        - name: TripId
+          in: path
+          description: 'key: TripId of Trip'
+          required: true
+          schema:
+            maximum: 2147483647
+            minimum: -2147483648
+            type: integer
+            format: int32
+          x-ms-docs-key-type: Trip
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   '/NewComePeople/{UserName}/Trips/{TripId}/PlanItems/$ref':
     get:
       tags:
@@ -2857,6 +2985,40 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  '/NewComePeople/{UserName}/Trips/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Trips
+      parameters:
+        - name: UserName
+          in: path
+          description: 'key: UserName of Person'
+          required: true
+          schema:
+            type: string
+          x-ms-docs-key-type: Person
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
+  /NewComePeople/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.NewComePeople
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   /People:
     get:
       tags:
@@ -3382,6 +3544,27 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  '/People/{UserName}/Friends/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Friends
+      parameters:
+        - name: UserName
+          in: path
+          description: 'key: UserName of Person'
+          required: true
+          schema:
+            type: string
+          x-ms-docs-key-type: Person
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   '/People/{UserName}/Friends/$ref':
     get:
       tags:
@@ -4116,6 +4299,37 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  '/People/{UserName}/Trips/{TripId}/PlanItems/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.PlanItems
+      parameters:
+        - name: UserName
+          in: path
+          description: 'key: UserName of Person'
+          required: true
+          schema:
+            type: string
+          x-ms-docs-key-type: Person
+        - name: TripId
+          in: path
+          description: 'key: TripId of Trip'
+          required: true
+          schema:
+            maximum: 2147483647
+            minimum: -2147483648
+            type: integer
+            format: int32
+          x-ms-docs-key-type: Trip
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   '/People/{UserName}/Trips/{TripId}/PlanItems/$ref':
     get:
       tags:
@@ -4224,6 +4438,40 @@ paths:
         default:
           $ref: '#/components/responses/error'
       x-ms-docs-operation-type: operation
+  '/People/{UserName}/Trips/$count':
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.Trips
+      parameters:
+        - name: UserName
+          in: path
+          description: 'key: UserName of Person'
+          required: true
+          schema:
+            type: string
+          x-ms-docs-key-type: Person
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
+  /People/$count:
+    get:
+      summary: Get the number of the resource
+      operationId: Get.Count.People
+      responses:
+        '200':
+          description: The count of the resource
+          content:
+            text/plain:
+              schema:
+                $ref: '#/components/schemas/ODataCountResponse'
+        default:
+          $ref: '#/components/responses/error'
   /ResetDataSource:
     post:
       tags:
@@ -4698,6 +4946,9 @@ components:
           type: string
         target:
           type: string
+    ODataCountResponse:
+      type: integer
+      format: int32
   responses:
     error:
       description: error