tests/cases/conformance/interfaces/interfaceDeclarations/interfaceThatInheritsFromItself.ts(10,15): error TS1176: Interface declaration cannot have 'implements' clause. tests/cases/conformance/interfaces/interfaceDeclarations/interfaceThatInheritsFromItself.ts(1,11): error TS2310: Type 'Foo' recursively references itself as a base type. tests/cases/conformance/interfaces/interfaceDeclarations/interfaceThatInheritsFromItself.ts(4,11): error TS2310: Type 'Foo2' recursively references itself as a base type. tests/cases/conformance/interfaces/interfaceDeclarations/interfaceThatInheritsFromItself.ts(7,11): error TS2310: Type 'Foo3' recursively references itself as a base type. ==== tests/cases/conformance/interfaces/interfaceDeclarations/interfaceThatInheritsFromItself.ts (4 errors) ==== interface Foo extends Foo { // error ~~~ !!! error TS2310: Type 'Foo' recursively references itself as a base type. } interface Foo2 extends Foo2 { // error ~~~~ !!! error TS2310: Type 'Foo2' recursively references itself as a base type. } interface Foo3 extends Foo3 { // error ~~~~ !!! error TS2310: Type 'Foo3' recursively references itself as a base type. } interface Bar implements Bar { // error ~~~~~~~~~~ !!! error TS1176: Interface declaration cannot have 'implements' clause. }