import type { CfnResource } from '../../../core';
import type { ICfnResourceMatcher } from '../../../core/lib/helpers-internal';
/**
 * Matches a CfnKey by a KMS key identifier (ref, key ID, or ARN).
 */
export declare class CfnKeyMatcher implements ICfnResourceMatcher {
    private readonly keyId;
    readonly cfnResourceType = "AWS::KMS::Key";
    constructor(keyId: string);
    matches(candidate: CfnResource): boolean;
}