import { BaseModel } from './base-model';
/**
 * Represents a document reference
 */
export declare class DocumentReference extends BaseModel {
    private _id;
    private _documentType;
    private _documentDescription;
    get id(): string;
    set id(value: string);
    get documentType(): string;
    set documentType(value: string);
    get documentDescription(): string;
    set documentDescription(value: string);
    /**
     * Converts the document reference to a JSON representation
     */
    toJSON(): any;
}