import { ConsolidationReport, ForgettingState, MemoryTier } from '../types.js';
export declare class ForgettingCurve {
    private states;
    private reports;
    private cycleCount;
    private initialized;
    init(): Promise<void>;
    track(memoryId: string, initialStrength?: number, consolidatedTier?: MemoryTier): Promise<ForgettingState>;
    reinforce(memoryId: string, strengthBoost?: number): Promise<ForgettingState | null>;
    /** Run a consolidation sleep cycle. Returns a report of changes. */
    runConsolidation(): Promise<ConsolidationReport>;
    getState(memoryId: string): ForgettingState | null;
    listStates(limit?: number): ForgettingState[];
    listReports(limit?: number): ConsolidationReport[];
    private tierForStrength;
    private tierRank;
    private persist;
}
export declare function getForgettingCurve(): ForgettingCurve;
export declare function resetForgettingCurveForTests(): void;
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