import EventEmitter from 'eventemitter3';
import IProposalService from '../interfaces/services/IProposalService';
import { DefaultProvider } from '../types';
export default class ProposalService implements IProposalService {
    provider: DefaultProvider;
    chainId: number;
    emitter: EventEmitter;
    constructor(provider: DefaultProvider, chainId: number);
    /**
     * Create actionable proposal on DAO.
     * @param targets - array of contract addresses for execute proposal actions.
     * @param values - array of value which will pass to each target transaction.
     * @param callData - calldata for each target transaction.
     * @param description - description of proposal.
     * @param account - wallet address which create proposal.
     */
    createProposal(targets: string[], values: number[], callData: string[], description: string, account: string): Promise<number | Error>;
    /**
     * Execute proposal.
     * @param targets - array of contract addresses for execute proposal actions.
     * @param values - array of value which will pass to each target transaction.
     * @param callData - calldata for each target transaction.
     * @param description - description of proposal.
     * @param account - wallet address which execute proposal.
     */
    executeProposal(targets: string[], values: number[], callData: string[], description: string, account: string): Promise<number | Error>;
    queueProposal(targets: string[], values: number[], callData: string[], description: string, account: string): Promise<number | Error>;
    /**
     * Vote for proposal.
     * @param proposalId - proposal id.
     * @param account - wallet address which vote.
     * @param support - 1 is For, 0 is Against, 2 is Abstain.
     */
    castVote(proposalId: string, account: string, support: string): Promise<number | Error>;
    /**
     * Check is wallet account already voted.
     * @param proposalId - proposal id.
     * @param account - wallet account.
     */
    hasVoted(proposalId: string, account: string): any;
    /**
     * Return current state of proposal can be Pending | Open-to-Vote | Canceled | Defeated | Succeeded | Queued | Expired | Executed.
     * @param proposalId - proposal id.
     * @param account - wallet address.
     */
    viewProposalState(proposalId: string): any;
    /**
     * Return timestamp when account can create new proposal.
     * @param account - wallet address.
     */
    nextAcceptableProposalTimestamp(account: string): any;
    /**
     * Return Voting token balance (vFTHM).
     * @param account - wallet address.
     */
    getVBalance(account: string): any;
    /**
     * Voting quorum which should be reached. Otherwise, proposal will be Defeated.
     * @param blockNumber. - block number on which proposal was created.
     */
    quorum(blockNumber: string): any;
    /**
     * Return amount of votes. againstVotes, forVotes, abstainVotes.
     * @param proposalId - proposal id.
     */
    proposalVotes(proposalId: string): any;
    /**
     * Return minimum vFTHM token balance required for create proposal.
     */
    proposalThreshold(): any;
    /**
     * Set JsonRpcProvider provider for service
     * @param provider - JsonRpcProvider provider
     */
    setProvider(provider: DefaultProvider): void;
    /**
     * Set chainId
     * @param chainId
     */
    setChainId(chainId: number): void;
}
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