tests/cases/compiler/templateStringsArrayTypeNotDefinedES5Mode.ts(5,3): error TS2345: Argument of type '{ [x: number]: undefined; }' is not assignable to parameter of type 'TemplateStringsArray'. Property 'raw' is missing in type '{ [x: number]: undefined; }'. ==== tests/cases/compiler/templateStringsArrayTypeNotDefinedES5Mode.ts (1 errors) ==== function f(x: TemplateStringsArray, y: number, z: number) { } f({}, 10, 10); ~~ !!! error TS2345: Argument of type '{ [x: number]: undefined; }' is not assignable to parameter of type 'TemplateStringsArray'. !!! error TS2345: Property 'raw' is missing in type '{ [x: number]: undefined; }'. f `abcdef${ 1234 }${ 5678 }ghijkl`;