/**
 *
 *
 *   Data transfer object that uniquely identifies a CouchDB document by its id and revision.
 */
export declare class DocIdentifier {
    /**
     *
     *  The document identifier.
     */
    id: string | undefined;
    /**
     *
     *  The document revision.
     */
    rev: string | undefined;
    constructor(partial: Partial<DocIdentifier>);
    toJSON(): object;
    static fromJSON(json: any, ignoreUnknownKeys?: boolean, path?: Array<string>): DocIdentifier;
}