import type { MemoryProvider, MemoryProviderInitOptions } from './provider.js';
/**
 * Placeholder external provider — enables wiring tests without cloud deps.
 */
export declare class StubMemoryProvider implements MemoryProvider {
    readonly id = "stub";
    readonly displayName = "Stub Memory Provider";
    readonly capabilities: {
        search: boolean;
        read: boolean;
        write: boolean;
        update: boolean;
        delete: boolean;
        keywordSearch: boolean;
        semanticSearch: boolean;
        hybridSearch: boolean;
        citations: boolean;
        sync: boolean;
        local: boolean;
    };
    isAvailable(): boolean;
    initialize(_sessionId: string, _options?: MemoryProviderInitOptions): Promise<void>;
    systemPromptBlock(): string;
    queuePrefetch(): void;
    sync(): void;
    getToolSchemas(): any[];
    handleToolCall(toolName: string): Promise<string>;
    search(): Promise<[]>;
    shutdown(): Promise<void>;
}