/**
 * Query, options, and stats for memory stores.
 */
import { MemoryCategory } from './category.types';
export interface MemoryQuery {
    userId: string;
    category?: MemoryCategory | MemoryCategory[];
    source?: import('./memory-item.types').MemorySource | import('./memory-item.types').MemorySource[];
    minConfidence?: number;
    notExpired?: boolean;
    limit?: number;
    offset?: number;
    orderBy?: 'createdAt' | 'updatedAt';
    order?: 'asc' | 'desc';
}
export interface MemorySearchOptions {
    userId: string;
    category?: MemoryCategory | MemoryCategory[];
    topK?: number;
    minScore?: number;
    vectorQuery?: number[];
}
export interface MemoryStats {
    total: number;
    byCategory: Record<MemoryCategory, number>;
    oldestMemory: Date | null;
    newestMemory: Date | null;
}
export interface PruneOptions {
    userId?: string;
    olderThan?: Date;
    minConfidence?: number;
    category?: MemoryCategory;
    maxItemsPerUser?: number;
}
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