==== tests/cases/compiler/multipleNumericIndexers.ts (6 errors) ====
    // Multiple indexers of the same type are an error
    
    class C {
        [x: number]: string;
        [x: number]: string;
        ~~~~~~~~~~~~~~~~~~~
!!! multipleNumericIndexers.ts(5,5): error TS2233: Duplicate number index signature. Additional locations:
!!! 	multipleNumericIndexers.ts(4,5)
    }
    
    interface I {
        [x: number]: string;
        [x: number]: string;
        ~~~~~~~~~~~~~~~~~~~
!!! multipleNumericIndexers.ts(10,5): error TS2233: Duplicate number index signature. Additional locations:
!!! 	multipleNumericIndexers.ts(9,5)
    }
    
    var a: {
        [x: number]: string;
        [x: number]: string;
        ~~~~~~~~~~~~~~~~~~~
!!! multipleNumericIndexers.ts(15,5): error TS2233: Duplicate number index signature. Additional locations:
!!! 	multipleNumericIndexers.ts(14,5)
    }
    
    var b: {
        [x: number]: string;
        [x: number]: string
        ~~~~~~~~~~~~~~~~~~~
!!! multipleNumericIndexers.ts(20,5): error TS2233: Duplicate number index signature. Additional locations:
!!! 	multipleNumericIndexers.ts(19,5)
    } = { 1: '', "2": '' }
    
    class C2<T> {
        [x: number]: string;
        [x: number]: string;
        ~~~~~~~~~~~~~~~~~~~
!!! multipleNumericIndexers.ts(25,5): error TS2233: Duplicate number index signature. Additional locations:
!!! 	multipleNumericIndexers.ts(24,5)
    }
    
    interface I<T> {
              ~
!!! multipleNumericIndexers.ts(28,11): error TS2234: All declarations of an interface must have identical type parameters.
        [x: number]: string;
        [x: number]: string;
    }
    