import { CommonsFixedDate } from './commons-fixed-date.mjs';
import { CommonsFixedDuration } from './commons-fixed-duration.mjs';
export declare class CommonsSeenLogger<IdT> {
    private maxAge?;
    private isEqual?;
    private seen;
    constructor(maxAge?: CommonsFixedDuration | undefined, isEqual?: ((a: IdT, b: IdT) => boolean) | undefined);
    private getExisting;
    has(id: IdT): boolean;
    touch(id: IdT, date?: CommonsFixedDate): boolean;
    store(id: IdT): void;
    delete(id: IdT): boolean;
    getExpiration(id: IdT): CommonsFixedDate | undefined;
    private checkForAndExpire;
    wipe(): void;
}
export declare class CommonsUidSeenLogger extends CommonsSeenLogger<string> {
    constructor(maxAge?: CommonsFixedDuration);
}