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method

test.Matchers.toContainKeystoContainKeys(expected: IfNeverThenElsekeyof T, PropertyKey>[]): void;Asserts that an object contains all the provided keys.

@param expectedthe expected value

expect({ a: 'foo', b: 'bar', c: 'baz' }).toContainKeys(['a', 'b']); expect({ a: 'foo', b: 'bar', c: 'baz' }).toContainKeys(['a', 'b', 'c']); expect({ a: 'foo', b: 'bar', c: 'baz' }).not.toContainKeys(['a', 'b', 'e']); toContainKeysX = T>(expected: IfNeverThenElseNoInferkeyof X>, PropertyKey>[]): void;

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