import type { Year, ContributionResult, AllContributionsResult } from "./types";
export declare class Contribution {
    year: Year;
    private sss;
    private philhealth;
    private pagibig;
    constructor(year?: Year);
    getSSSContribution(salary: number): ContributionResult;
    getPhilHealthContribution(salary: number): ContributionResult;
    getPagIBIGContribution(salary: number): ContributionResult;
    calculateAll(salary: number): AllContributionsResult;
}
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