tests/cases/conformance/interfaces/declarationMerging/mergedInterfacesWithIndexers2.ts(4,5): error TS2413: Numeric index type 'string' is not assignable to string index type '{ length: string; }'.
tests/cases/conformance/interfaces/declarationMerging/mergedInterfacesWithIndexers2.ts(14,5): error TS2411: Property ''a'' of type 'number' is not assignable to string index type '{ length: number; }'.
tests/cases/conformance/interfaces/declarationMerging/mergedInterfacesWithIndexers2.ts(20,5): error TS2412: Property '1' of type '{ length: number; }' is not assignable to numeric index type 'string'.