/**
 * Ephemeral in-memory provider — the built-in fallback when no persistent
 * memory plugin (e.g. `valora-plugin-memory-vault`) is installed.
 *
 * All entries are held in a plain `Map` and are lost when the process exits.
 *
 * This is bootstrapped as the default active provider before any plugin has
 * loaded (see `memory/bootstrap.ts`), so warning here on construction would
 * fire even when a plugin is about to activate a persistent provider a few
 * lines later — misleadingly telling the operator persistence is absent when
 * it's about to be available. `di/container.ts`'s `initializePlugins()` warns
 * instead, once, after all plugins have finished loading and the FINAL active
 * provider is known.
 */
import type { MemoryCategory, MemoryCreateOptions, MemoryEntry, MemoryProvider, MemoryProviderInfo, MemoryQueryOptions, MemoryQueryResult, MemoryVerifyReport, PurgeCriteria, PurgeResult } from '../types/memory.types.js';
export declare class EphemeralMemoryProvider implements MemoryProvider {
    private readonly store;
    constructor();
    create(category: MemoryCategory, options: MemoryCreateOptions): Promise<MemoryEntry>;
    delete(category: MemoryCategory, id: string): Promise<boolean>;
    findByPaths(paths: string[]): Promise<MemoryQueryResult[]>;
    flush(): Promise<void>;
    get(category: MemoryCategory, id: string, _strengthen?: boolean): Promise<MemoryQueryResult | null>;
    info(): Promise<MemoryProviderInfo>;
    invalidateByPaths(_paths: string[]): Promise<number>;
    markStaleByPaths(_paths: string[]): Promise<number>;
    prune(_threshold?: number): Promise<number>;
    purge(criteria: PurgeCriteria): Promise<PurgeResult>;
    query(options: MemoryQueryOptions): Promise<MemoryQueryResult[]>;
    update(category: MemoryCategory, id: string, patch: Partial<MemoryEntry>): Promise<boolean>;
    verify(): Promise<MemoryVerifyReport>;
}
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