import { ethers } from 'ethers';
import type Pod from './Pod';
import { SafeTransaction } from './lib/services/transaction-service';
export declare type ProposalStatus = 'active' | 'passed' | 'executed' | 'rejected' | 'queued';
export declare type ProposalType = InstanceType<typeof Proposal>;
/**
 * The Proposal object is the interface for interacting with any Proposals.
 * Can be gotten via the Pod object, through {@link Pod.getProposals}.
 */
export default class Proposal {
    /** @property Pod object this Proposal is associated with */
    pod: Pod;
    /** @property Proposal ID, i.e., the Gnosis nonce. This is not necessarily a unique number */
    id: number;
    /** @property Proposal status, i.e., 'active', 'passed', 'rejected', or 'queued',  */
    status: ProposalStatus;
    /**
     * @property Whether or not this proposal corresponds to a superproposal
     */
    isSubProposal?: boolean;
    /** @property Array of addresses that approved */
    approvals: string[];
    /** @property Array of addresses that rejected */
    rejections: string[];
    /** @property Number of votes required to pass/reject a proposal */
    threshold: number;
    /**
     * @ignore
     * @property SafeTransaction object, used mostly internally
     */
    safeTransaction: SafeTransaction;
    /**
     * @ignore
     * @property The associated reject SafeTransaction, if there is one. Used internally.
     */
    rejectTransaction?: SafeTransaction;
    /** @property Name of smart contract method being called, if there is one */
    method?: string;
    /** @property Parameters for the smart contract function being called, if there is one */
    parameters?: {
        name: string;
        type: string;
        value: string;
    }[];
    /** @property Eth value of transfer in Wei, if there is one */
    value: string;
    timestamp: Date;
    /**
     * Transforms a Safe Transaction object into one of our Proposals.
     * @param safeTransaction
     * @param rejectTransaction - Optional reject transaction
     */
    constructor(Pod: Pod, podNonce: number, safeTransaction: SafeTransaction, rejectTransaction?: SafeTransaction);
    /**
     * Votes to approve the proposal
     * @param signer - Signer of pod member
     * @throws If signer already approved proposal
     * @throws If signer is not a pod member
     * @throws If there was an error approving Proposal
     */
    approve: (signer: ethers.Signer) => Promise<void>;
    /**
     * Votes to reject the proposal
     * @param signer - Signer of pod member
     * @throws If signer has already rejected proposal
     * @throws If signer was not pod member
     * @throws If error rejecting proposal
     */
    reject: (signer: ethers.Signer) => Promise<void>;
    /**
     * Executes proposal
     * @param signer - Signer of pod member
     * @throws If not enough approvals to execute
     * @throws If signer was not part of the pod
     */
    executeApprove: (signer: ethers.Signer) => Promise<any>;
    /**
     * Executes the rejection of proposal
     * @param signer - Signer of pod member
     * @throws If not enough rejections to execute
     * @throws If signer was not part of the pod
     */
    executeReject: (signer: ethers.Signer) => Promise<any>;
}