import BN from "bn.js";
export declare const ZERO: BN;
export declare const BASE_TEN: BN;
export declare const MAX_U64_BN: BN;
export declare const SECONDS_PER_YEAR: BN;
export declare class Payroll {
    readonly famineTs: BN;
    readonly lastCheckpointTs: BN;
    readonly annualRewardsRate: BN;
    readonly rewardsPerTokenStored: BN;
    readonly totalTokensDeposited: BN;
    constructor(famineTs: BN, lastCheckpointTs: BN, annualRewardsRate: BN, rewardsPerTokenStored: BN, totalTokensDeposited: BN);
    /**
     * Calculates the amount of tokens that this user can receive.
     * @param currentTs
     * @returns
     */
    calculateRewardPerToken(currentTs: BN): BN;
    /**
     * Calculates the amount of tokens that this user can claim.
     * @param currentTs
     * @param tokensDeposited
     * @param rewardsPerTokenPaid
     * @param rewardsEarned
     * @returns
     */
    calculateRewardsEarned(currentTs: BN, tokensDeposited: BN, rewardsPerTokenPaid: BN, rewardsEarned: BN): BN;
}
//# sourceMappingURL=payroll.d.ts.map