import type { Payroll } from "@quarryprotocol/quarry-sdk";
import type BN from "bn.js";
/**
 * {@link Payroll} using floats instead of BN. Not precise.
 */
export declare class FastPayroll {
    readonly famineTs: number;
    readonly lastCheckpointTs: number;
    readonly annualRewardsRate: number;
    readonly rewardsPerTokenStored: number;
    readonly totalTokensDeposited: number;
    constructor(famineTs: number, lastCheckpointTs: number, annualRewardsRate: number, rewardsPerTokenStored: number, totalTokensDeposited: number);
    static fromPayroll(payroll: Payroll): FastPayroll;
    /**
     * Calculates the amount of tokens that this user can receive.
     * @param currentTs
     * @returns
     */
    calculateRewardPerToken(currentTs: number): number;
    /**
     * Calculates the amount of tokens that this user can claim.
     * @param currentTs
     * @param tokensDeposited
     * @param rewardsPerTokenPaid
     * @param rewardsEarned
     * @returns
     */
    calculateRewardsEarned(currentTs: number, tokensDeposited: BN, rewardsPerTokenPaid: BN, rewardsEarned: BN): number;
}
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