import type { IUnknownFlagsStore, UnknownFlag, UnknownFlagReport, QueryParams } from './unknown-flags-store.js';
export declare class FakeUnknownFlagsStore implements IUnknownFlagsStore {
    private unknownFlagMap;
    private getKey;
    insert(flags: UnknownFlagReport[]): Promise<void>;
    private groupFlags;
    getAll({ limit, orderBy }?: QueryParams): Promise<UnknownFlag[]>;
    clear(hoursAgo: number): Promise<void>;
    deleteAll(): Promise<void>;
    count(): Promise<number>;
}
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