import { NULL_MATCHER_TYPE } from '@contract-case/case-entities-internal';
import { AnyMatcherWithExample } from '../base';
/**
 * Matches `null` (useful for languages like Java where `body: null` means no
 * body, but you want to match a eg a json document that has the body `"null"`).
 * @public
 */
export declare class AnyNull extends AnyMatcherWithExample {
    /** @internal */
    readonly '_case:matcher:type': typeof NULL_MATCHER_TYPE;
    /** @internal */
    readonly '_case:matcher:example': null;
    /** @internal */
    readonly '_case:matcher:resolvesTo' = "null";
    /** @internal */
    readonly '_case:context:matchBy' = "type";
    /**
     * Matches `null` (useful for languages like Java where `body: null` means no
     * body, but you want to match a eg a json document that has the body `"null"`).
     */
    constructor();
    /**
     * 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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