tests/cases/conformance/interfaces/declarationMerging/twoGenericInterfacesWithDifferentConstraints.ts(1,11): error TS2428: All declarations of 'A' must have identical type parameters.
tests/cases/conformance/interfaces/declarationMerging/twoGenericInterfacesWithDifferentConstraints.ts(5,11): error TS2428: All declarations of 'A' must have identical type parameters.
tests/cases/conformance/interfaces/declarationMerging/twoGenericInterfacesWithDifferentConstraints.ts(10,15): error TS2428: All declarations of 'B' must have identical type parameters.
tests/cases/conformance/interfaces/declarationMerging/twoGenericInterfacesWithDifferentConstraints.ts(14,15): error TS2428: All declarations of 'B' must have identical type parameters.
tests/cases/conformance/interfaces/declarationMerging/twoGenericInterfacesWithDifferentConstraints.ts(32,22): error TS2428: All declarations of 'A' must have identical type parameters.
tests/cases/conformance/interfaces/declarationMerging/twoGenericInterfacesWithDifferentConstraints.ts(38,22): error TS2428: All declarations of 'A' must have identical type parameters.


==== tests/cases/conformance/interfaces/declarationMerging/twoGenericInterfacesWithDifferentConstraints.ts (6 errors) ====
    interface A<T extends Date> {
              ~
!!! error TS2428: All declarations of 'A' must have identical type parameters.
        x: T;
    }
    
    interface A<T extends Number> { // error
              ~
!!! error TS2428: All declarations of 'A' must have identical type parameters.
        y: T;
    }
    
    module M {
        interface B<T extends A<Date>> {
                  ~
!!! error TS2428: All declarations of 'B' must have identical type parameters.
            x: T;
        }
    
        interface B<T extends A<any>> { // error
                  ~
!!! error TS2428: All declarations of 'B' must have identical type parameters.
            y: T;
        }
    }
    
    module M2 {
        interface A<T extends Date> {
            x: T;
        }
    }
    
    module M2 {
        interface A<T extends Number> { // ok, different declaration space from other M2.A
            y: T;
        }
    }
    
    module M3 {
        export interface A<T extends Date> {
                         ~
!!! error TS2428: All declarations of 'A' must have identical type parameters.
            x: T;
        }
    }
    
    module M3 {
        export interface A<T extends Number> { // error
                         ~
!!! error TS2428: All declarations of 'A' must have identical type parameters.
            y: T;
        }
    }
    
    interface B<T extends number> {
      u: T;
      v: Constraint<T>; // ok
    }
    
    interface B<T> { // ok
      x: T;
      y: Constraint<T>; // ok
    }
    
    interface C<T> {
      x: T;
    }
    
    interface C<T extends number> { // ok
      y: T;
    }
    
    interface Constraint<T extends number> {}
    