[Home](./index.md) > [@contract-case/case-definition-dsl](./case-definition-dsl.md) > [matchers](./case-definition-dsl.matchers.md) > [objects](./case-definition-dsl.matchers.objects.md) > [ObjectEachKeyMatches](./case-definition-dsl.matchers.objects.objecteachkeymatches.md) ## matchers.objects.ObjectEachKeyMatches class Matches an object where each key matches the provided matcher. **Signature:** ```typescript export declare class ObjectEachKeyMatches extends AnyMatcher ``` **Extends:** AnyMatcher ## Constructors

Constructor	Modifiers	Description
[(constructor)(matcher)](./case-definition-dsl.matchers.objects.objecteachkeymatches._constructor_.md)		Matches an object where each key matches the provided matcher.

## Methods

Method	Modifiers	Description
[toJSON()](./case-definition-dsl.matchers.objects.objecteachkeymatches.tojson.md)		For non-TypeScript implementations (see `AnyMatcher.toJSON`)