import { OBJECT_KEYS_MATCH_TYPE } from '@contract-case/case-entities-internal';
import { AnyMatcher } from '../base';
import { AnyMatcherOrData } from '../../types';
/**
 * Matches an object where each key matches the provided matcher.
 * @public
 */
export declare class ObjectEachKeyMatches extends AnyMatcher {
    /** @internal */
    readonly '_case:matcher:type': typeof OBJECT_KEYS_MATCH_TYPE;
    /** @internal */
    readonly '_case:matcher:matcher': AnyMatcherOrData;
    /**
     * Matches an object where each key matches the provided matcher.
     * @param matcher - The matcher that all keys must pass
     */
    constructor(matcher: AnyMatcherOrData);
    /**
     * For non-TypeScript implementations (see `AnyMatcher.toJSON`)
     *
     * @privateRemarks
     * This comment and the implementation is boilerplate on all matchers to avoid
     * outputting duplicate unimportant documentation on all matcher classes of
     * the docs. Only modify this comment or the implementation via search and replace.
     */
    toJSON(): unknown;
}
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