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tests/cases/conformance/interfaces/interfaceDeclarations/interfaceThatHidesBaseProperty2.ts(5,11): error TS2430: Interface 'Derived' incorrectly extends interface 'Base'.
Types of property 'x' are incompatible.
Type '{ a: string; }' is not assignable to type '{ a: number; }'.
Types of property 'a' are incompatible.
Type 'string' is not assignable to type 'number'.
==== tests/cases/conformance/interfaces/interfaceDeclarations/interfaceThatHidesBaseProperty2.ts (1 errors) ====
interface Base {
x: { a: number };
}
interface Derived extends Base { // error
~~~~~~~
!!! error TS2430: Interface 'Derived' incorrectly extends interface 'Base'.
!!! error TS2430: Types of property 'x' are incompatible.
!!! error TS2430: Type '{ a: string; }' is not assignable to type '{ a: number; }'.
!!! error TS2430: Types of property 'a' are incompatible.
!!! error TS2430: Type 'string' is not assignable to type 'number'.
x: {
a: string;
};
}
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