export type TCommonsJoin<A, B, DataT extends {
    [key: string]: unknown;
}> = {
    a: A;
    b: B;
    data: DataT;
};
export declare class CommonsJoinTable<A, B, DataT extends {
    [key: string]: unknown;
} = {
    [key: string]: never;
}> {
    private isEqualA;
    private isEqualB;
    private internalJoins;
    protected get joins(): TCommonsJoin<A, B, DataT>[];
    export(): TCommonsJoin<A, B, DataT>[];
    get as(): A[];
    get bs(): B[];
    get size(): number;
    constructor(isEqualA?: (a1: A, a2: A) => boolean, isEqualB?: (b1: B, b2: B) => boolean);
    reset(): void;
    private getExisting;
    join(a: A, b: B, data: DataT): boolean;
    unjoin(a: A, b: B): boolean;
    listBsByA(a: A): B[];
    listAsByB(b: B): A[];
    getJoinData(a: A, b: B): DataT | undefined;
}