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tests/cases/conformance/interfaces/interfaceDeclarations/interfaceWithStringIndexerHidingBaseTypeIndexer.ts(13,5): error TS2411: Property 'y' of type '{ a: number; }' is not assignable to string index type '{ a: number; b: number; }'.
==== tests/cases/conformance/interfaces/interfaceDeclarations/interfaceWithStringIndexerHidingBaseTypeIndexer.ts (1 errors) ====
interface Base {
[x: string]: { a: number }
x: {
a: number; b: number;
}
}
interface Derived extends Base {
[x: string]: {
a: number; b: number
};
// error
y: {
~~~~
a: number;
~~~~~~~~~~~~~~~~~~
}
~~~~~
!!! error TS2411: Property 'y' of type '{ a: number; }' is not assignable to string index type '{ a: number; b: number; }'.
}
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