import { API } from '../../api';
import { kSerializeData, AttachmentType } from '../../utils/constants';
/**
 * Parse attachments
 */
export declare const parseAttachmentRe: RegExp;
export interface ISharedAttachmentPayload {
    id: number;
    owner_id: number;
    access_key?: string;
}
export interface IAttachmentOptions<P, Type extends string = string> {
    api: API;
    type: Type;
    payload: Partial<ISharedAttachmentPayload> & P;
}
export type AttachmentFactoryOptions<P> = Omit<IAttachmentOptions<P>, 'type'>;
export declare class Attachment<P = object, Type extends string | AttachmentType = string> {
    type: Type;
    protected $filled: boolean;
    protected api: API;
    protected payload: ISharedAttachmentPayload & P;
    /**
     * Constructor
     */
    constructor(options: IAttachmentOptions<P, Type>);
    get id(): number;
    get ownerId(): number;
    get accessKey(): string | undefined;
    /**
     * Returns custom tag
     */
    get [Symbol.toStringTag](): string;
    /**
     * Parse attachment with string
     */
    static fromString(attachment: string, api: API): Attachment;
    /**
     * Returns whether the attachment is filled
     */
    get isFilled(): boolean;
    /**
     * Can be attached via string representation
     */
    get canBeAttached(): boolean;
    /**
     * Checks that the attachment is equivalent with object
     */
    equals(attachment: Attachment | string): boolean;
    /**
     * Returns a string to attach a VK
     */
    toString(): string;
    /**
     * Returns data for JSON
     */
    toJSON(): object;
    /**
     * Returns the custom data
     */
    [kSerializeData](): object;
}