import { Address, PublicAccount, Transaction, TransferTransaction, MultisigTransaction } from "nem-library";
import { IResults, IVote } from "./counting";
import { Observable } from "rxjs";
import { PollIndex } from "./poll-index";
interface IFormData {
    /**
     * Title of the poll
     */
    title: string;
    /**
     * date of ending, as milliseconds from UNIX epoch
     */
    doe: number;
    /**
     * True if multiple votes are accepted
     */
    multiple: boolean;
    /**
     * type of the poll
     */
    type: number;
}
interface IPollData {
    /**
     * General information abount the poll
     */
    formData: IFormData;
    /**
     * Detailed description for the poll
     */
    description: string;
    /**
     * Options of the poll
     */
    options: string[];
    /**
     * (optional) Array of Addresses to be whitelisted. Only for whitelist polls
     */
    whitelist?: Address[];
}
interface IBroadcastData {
    /**
     * Transactions that need to be sent and confirmed for the poll to be broadcasted
     */
    transactions: TransferTransaction[];
    /**
     * Broadcasted Poll object. Can not be used until the transactions have been broadcasted and confirmed
     */
    broadcastedPoll: BroadcastedPoll;
}
/**
 * Maps strings to  addresses, one for each poll option
 */
interface IAddressLink {
    [key: string]: Address;
}
/**
 * Abstract class that represents a poll
 */
declare abstract class Poll {
    readonly data: IPollData;
}
/**
 * An unbroadcasted poll. Exists only locally and not on the blockchain yet
 */
declare class UnbroadcastedPoll extends Poll {
    constructor(formData: IFormData, description: string, options: string[], whitelist?: Address[]);
    /**
     * Broadcasts an unbroadcasted poll and returns the resulting broadcasted poll object (as a promise)
     * @param creatorPublicKey - public key of the poll creator
     * @param pollIndex - optionally provide the poll index to send the poll to.
     *                    If not specified the default public index is used
     * @return {pollAddress: Address, transactions: TransferTransaction[]} - returns the poll address
     * and the transactions that need to be sent for it to be broadcasted
     */
    broadcast: (creatorPublicKey: string, pollIndex?: PollIndex | undefined) => IBroadcastData;
    getBroadcastFee: () => number;
}
/**
 * A broadcasted poll. Represents a Poll that exists in the blockchain.
 */
declare class BroadcastedPoll extends Poll {
    /**
     * The poll address
     */
    readonly address: Address;
    /**
     * The block the poll ended on. It is undefined until fetched.
     */
    endBlock?: number;
    /**
     * Map from option to option address
     */
    private optionAddresses;
    /**
     * Fetches a Broadcasted Poll from the blockchain by its address
     * @param pollAddress - The poll's NEM Address
     * @return Promise<BroadcastedPoll>
     */
    private static fromAddressPromise;
    /**
     * Fetches a Broadcasted Poll from the blockchain by its address
     * @param pollAddress - The poll's NEM Address
     * @return Observable<BroadcastedPoll>
     */
    static fromAddress: (pollAddress: Address) => Observable<BroadcastedPoll>;
    /**
     * Gets the option address for a given option
     * @param option - The option
     * @return Address | null
     */
    getOptionAddress: (option: string) => Address | null;
    /**
     * Sets the block when the poll ends
     * @param block - The end block
     * @return void
     */
    setEndBlock: (block: number) => void;
    /**
     * Get the transactions needed to be broadcasted by the creator of the poll for extending the whitelist before the poll ending
     * @param addresses - The additional addresses to be added
     */
    extendWhitelist: (addresses: Address[]) => TransferTransaction[];
    /**
     * Gets the results for the poll
     * @param pollAddress - The poll's NEM Address
     * @return Observable<IResults>
     */
    getResults: () => Observable<IResults>;
    /**
     * Gets the results for the poll as a csv string
     * @param pollAddress - The poll's NEM Address
     * @return Observable<string>
     */
    getCsvResults: () => Observable<string>;
    /**
     * Gets the results for the poll as an array of vote objects
     * @param pollAddress - The poll's NEM Address
     * @return Observable<IResults>
     */
    getVoters: () => Observable<IVote[]>;
    /**
     * validates a poll's structure and returns wether it is correct or not
     * @return boolean
     */
    validate: () => boolean;
    /**
     * Votes on the poll from a given account, returns the vote transaction result
     * @param option - The option to vote
     * @return TransferTransaction - the transaction that needs to be sent to vote
     */
    vote: (option: string) => TransferTransaction;
    /**
     * Votes on the poll from a multisig account, returns the vote transaction result
     * @param multisigAccount - The public account of the multisig account that votes
     * @param option - The option to vote
     * @return MultisigTransaction - the transaction that needs to be sent to vote
     */
    voteMultisig: (multisigAccount: PublicAccount, option: string) => MultisigTransaction;
    /**
     * Gets the votes that an address has sent to the poll, if it has not voted returns null
     * @param address - The address of the voter
     * @return Observable<Transaction[] | null>
     */
    getVotes: (address: Address) => Observable<Transaction[] | null>;
}
export { IPollData, IFormData, IBroadcastData, IAddressLink, Poll, BroadcastedPoll, UnbroadcastedPoll };