import { BigNumber, Signer } from 'ethers';
import { Address, ExecuteProposalParams, IGrantFund, ProposalParams, SignerOrProvider, WrappedTransaction } from '../types';
import { ContractBase } from './ContractBase';
import { DistributionPeriod } from './DistributionPeriod';
import { Proposal } from './Proposal';
/**
 * Class used to iteract with grants fund contract.
 */
export declare class GrantFund extends ContractBase implements IGrantFund {
    constructor(signerOrProvider: SignerOrProvider);
    /**
     * Get total token supply.
     * @returns BigNumber
     */
    getTotalSupply(): Promise<any>;
    /**
     * Delegates vote to the given delegatee.
     * @param signer vote delegator
     * @param delegatee address of the delegateee
     * @returns promise to transaction
     */
    delegateVote(signer: Signer, delegatee: Address): Promise<WrappedTransaction>;
    /**
     * Get the address account is currently delegating to.
     * @param address delegator
     * @returns address
     */
    getDelegates(address: Address): Promise<any>;
    /**
     * Starts a new distribution period, ensuring the treasury is funded.
     * @param signer transaction signer
     * @returns promise to transaction
     */
    startNewDistributionPeriod(signer: Signer): Promise<WrappedTransaction>;
    /**
     * Gets the current treasury balance.
     * @returns BigNumber
     */
    getTreasury(): Promise<BigNumber>;
    /**
     * Gets details of the distribution period.
     * @param signer caller
     * @param distributionId id of the distrituion period
     * @returns DistributionPeriod
     */
    getDistributionPeriod(distributionId: number): Promise<DistributionPeriod>;
    /**
     * Gets details of the currently active distribution period.
     * @param signer caller
     * @returns DistributionPeriod
     */
    getActiveDistributionPeriod(): Promise<DistributionPeriod | undefined>;
    /**
     * Creates a proposal in the current distribution period.
     * @param signer caller
     * @param params ProposalParams object
     * @returns promise to transaction
     */
    createProposal(signer: Signer, params: ProposalParams): Promise<WrappedTransaction>;
    /**
     * Gets a proposal object with the given proposalId.
     * @param proposalId BigNumber
     * @returns Proposal object
     */
    getProposal(proposalId: BigNumber): Proposal;
    /**
     * Distributes delegate reward based on delegatee Vote share.
     * @param distributionId_ Id of distribution from which delegatee wants to claim their reward.
     * @return rewardClaimed_  amount of reward claimed by delegatee.
     */
    claimDelegateReward(signer: Signer, distributionId: number): Promise<WrappedTransaction>;
    /**
     * Retrieve the delegate reward accrued to a voter in a given distribution period.
     * @param  distributionId_ The distributionId to calculate rewards for.
     * @param  voter_ the address of the voter to calculate rewards for.
     * @return rewards_ the rewards earned by the voter for voting in that distribution period.
     */
    getDelegateReward(distributionId: number, voter: Address): Promise<BigNumber>;
    /**
     * Get the reward claim status of an account in a given distribution period.
     * @param  distributionId_ The distributionId of the distribution period to check.
     * @param  voter_ the address of the voter to check.
     * @return rewards_ the reward claim status of the account in the distribution period.
     */
    getHasClaimedRewards(distributionId: number, voter: Address): Promise<boolean>;
    /**
     * Execute a proposal that has been approved by the community. Only proposals in the finalized top slate slate at the end of the challenge period can be executed.
     * @param  targets_ list of contracts the proposal calldata will interact with. Should be the Ajna token contract for all proposals.
     * @param  values_ list of values to be sent with the proposal calldata. Should be 0 for all proposals.
     * @param  calldatas_ list of calldata to be executed. Should be the transfer() method.
     * @param  descriptionHash_ hash of proposal's description string.
     * @return proposalId_ the id of the executed proposal.
     */
    executeProposal(signer: Signer, { params, description }: ExecuteProposalParams): Promise<WrappedTransaction>;
}