import { Attachment, AttachmentFactoryOptions } from './attachment';
import { AttachmentType, kSerializeData } from '../../utils/constants';
import { PhotoAttachment, IPhotoAttachmentPayload } from './photo';
export interface IPollAttachmentPayload {
    id: number;
    owner_id: number;
    access_key?: string;
    anonymous?: number;
    multiple?: number;
    closed?: number;
    is_board?: number;
    can_edit?: number;
    can_vote?: number;
    can_report?: number;
    can_share?: number;
    author_id?: number;
    question?: string;
    created?: number;
    end_date?: number;
    votes?: number;
    answer_ids?: number[];
    friends?: number[];
    answers?: {
        id: number;
        text: string;
        votes: number;
        rate: number;
    }[];
    background?: {
        id: number;
        type: 'gradient' | 'tile';
        angle: number;
        color: string;
        width: number;
        height: number;
        images: IPhotoAttachmentPayload['sizes'];
        points: {
            position: number;
            color: string;
        }[];
    };
    photo?: IPhotoAttachmentPayload;
}
export type PollAttachmentOptions = AttachmentFactoryOptions<IPollAttachmentPayload>;
export declare class PollAttachment extends Attachment<IPollAttachmentPayload, AttachmentType.POLL | 'poll'> {
    photo?: PhotoAttachment;
    /**
     * Constructor
     */
    constructor(options: PollAttachmentOptions);
    /**
     * Load attachment payload
     */
    loadAttachmentPayload(): Promise<void>;
    /**
     * Checks whether the poll is anonymous
     */
    get isAnonymous(): boolean | undefined;
    /**
     * Checks whether the poll allows multiple choice of answers
     */
    get isMultiple(): boolean | undefined;
    /**
     * Checks whether the poll is complete
     */
    get isClosed(): boolean | undefined;
    /**
     * Check whether questions are attached to the discussion
     */
    get isBoard(): boolean | undefined;
    /**
     * Check if you can edit the poll
     */
    get isCanEdit(): boolean | undefined;
    /**
     * Check if you can vote in the survey
     */
    get isCanVote(): boolean | undefined;
    /**
     * Check if you can complain about the poll
     */
    get isCanReport(): boolean | undefined;
    /**
     * Check if you can share a survey
     */
    get isCanShare(): boolean | undefined;
    /**
     * Returns the ID of the poll author
     */
    get authorId(): number | undefined;
    /**
     * Returns the question text
     */
    get question(): string | undefined;
    /**
     * Returns the date when this poll was created
     */
    get createdAt(): number | undefined;
    /**
     * Returns the end date of the poll in Unixtime. 0, if the poll is unlimited
     */
    get endedAt(): number | undefined;
    /**
     * Returns the number of votes
     */
    get votes(): number | undefined;
    /**
     * Returns the identifiers of the response options selected by the current user
     */
    get answerIds(): number[] | undefined;
    /**
     * Returns the identifiers of 3 friends who voted in the poll
     */
    get friends(): number[] | undefined;
    /**
     * Returns the information about the options for the answer
     */
    get answers(): IPollAttachmentPayload['answers'] | undefined;
    /**
     * Returns the poll snippet background
     */
    get background(): IPollAttachmentPayload['background'] | undefined;
    /**
     * Returns the custom data
     */
    [kSerializeData](): object;
}