import { BuilderBase } from "../core/builder-base.js";
/**
 * Abstract base class for artifact services.
 */
export declare class BaseArtifactService extends BuilderBase {
    constructor(args: string, kwargs: string);
    /**
     * Abstract base class for artifact services. Resolve into a native ADK _ADK_BaseArtifactService.
     */
    build(): Record<string, unknown>;
}
/**
 * Stores filesystem-backed artifacts beneath a configurable root directory.
 */
export declare class FileArtifactService extends BuilderBase {
    constructor(root_dir: string);
    /**
     * Stores filesystem-backed artifacts beneath a configurable root directory. Resolve into a native ADK _ADK_FileArtifactService.
     */
    build(): Record<string, unknown>;
}
/**
 * An artifact service implementation using Google Cloud Storage (GCS).
 */
export declare class GcsArtifactService extends BuilderBase {
    constructor(bucket_name: string, kwargs: string);
    /**
     * An artifact service implementation using Google Cloud Storage (GCS). Resolve into a native ADK _ADK_GcsArtifactService.
     */
    build(): Record<string, unknown>;
}
/**
 * An in-memory implementation of the artifact service.
 */
export declare class InMemoryArtifactService extends BuilderBase {
    constructor();
    /**
     * Set the ``artifacts`` field.
     */
    artifacts(value: unknown): this;
    /**
     * An in-memory implementation of the artifact service. Resolve into a native ADK _ADK_InMemoryArtifactService.
     */
    build(): Record<string, unknown>;
}
/**
 * Routes session storage to per-agent `.adk/session.db` files.
 */
export declare class PerAgentDatabaseSessionService extends BuilderBase {
    constructor(agents_root: string);
    /**
     * Set the ``app_name_to_dir`` field.
     */
    appNameToDir(value: unknown): this;
    /**
     * Routes session storage to per-agent `.adk/session.db` files. Resolve into a native ADK _ADK_PerAgentDatabaseSessionService.
     */
    build(): Record<string, unknown>;
}
/**
 * Base class for memory services.
 */
export declare class BaseMemoryService extends BuilderBase {
    constructor(args: string, kwargs: string);
    /**
     * Base class for memory services. Resolve into a native ADK _ADK_BaseMemoryService.
     */
    build(): Record<string, unknown>;
}
/**
 * An in-memory memory service for prototyping purpose only.
 */
export declare class InMemoryMemoryService extends BuilderBase {
    constructor();
    /**
     * An in-memory memory service for prototyping purpose only. Resolve into a native ADK _ADK_InMemoryMemoryService.
     */
    build(): Record<string, unknown>;
}
/**
 * Implementation of the BaseMemoryService using Vertex AI Memory Bank.
 */
export declare class VertexAiMemoryBankService extends BuilderBase {
    constructor();
    /**
     * Set the ``project`` field.
     */
    project(value: string | undefined): this;
    /**
     * Set the ``location`` field.
     */
    location(value: string | undefined): this;
    /**
     * Set the ``agent_engine_id`` field.
     */
    agentEngineId(value: string | undefined): this;
    /**
     * Set the ``express_mode_api_key`` field.
     */
    expressModeApiKey(value: string | undefined): this;
    /**
     * Implementation of the BaseMemoryService using Vertex AI Memory Bank. Resolve into a native ADK _ADK_VertexAiMemoryBankService.
     */
    build(): Record<string, unknown>;
}
/**
 * A memory service that uses Vertex AI RAG for storage and retrieval.
 */
export declare class VertexAiRagMemoryService extends BuilderBase {
    constructor();
    /**
     * Set the ``rag_corpus`` field.
     */
    ragCorpus(value: string | undefined): this;
    /**
     * Set the ``similarity_top_k`` field.
     */
    similarityTopK(value: number | undefined): this;
    /**
     * Set the ``vector_distance_threshold`` field.
     */
    vectorDistanceThreshold(value: number): this;
    /**
     * A memory service that uses Vertex AI RAG for storage and retrieval. Resolve into a native ADK _ADK_VertexAiRagMemoryService.
     */
    build(): Record<string, unknown>;
}
/**
 * Base class for session services.
 */
export declare class BaseSessionService extends BuilderBase {
    constructor(args: string, kwargs: string);
    /**
     * Base class for session services. Resolve into a native ADK _ADK_BaseSessionService.
     */
    build(): Record<string, unknown>;
}
/**
 * A session service that uses a database for storage.
 */
export declare class DatabaseSessionService extends BuilderBase {
    constructor(db_url: string, kwargs: string);
    /**
     * A session service that uses a database for storage. Resolve into a native ADK _ADK_DatabaseSessionService.
     */
    build(): Record<string, unknown>;
}
/**
 * An in-memory implementation of the session service.
 */
export declare class InMemorySessionService extends BuilderBase {
    constructor();
    /**
     * An in-memory implementation of the session service. Resolve into a native ADK _ADK_InMemorySessionService.
     */
    build(): Record<string, unknown>;
}
/**
 * A session service that uses an SQLite database for storage via aiosqlite.
 */
export declare class SqliteSessionService extends BuilderBase {
    constructor(db_path: string);
    /**
     * A session service that uses an SQLite database for storage via aiosqlite. Resolve into a native ADK _ADK_SqliteSessionService.
     */
    build(): Record<string, unknown>;
}
/**
 * Connects to the Vertex AI Agent Engine Session Service using Agent Engine SDK.
 */
export declare class VertexAiSessionService extends BuilderBase {
    constructor();
    /**
     * Set the ``project`` field.
     */
    project(value: string | undefined): this;
    /**
     * Set the ``location`` field.
     */
    location(value: string | undefined): this;
    /**
     * Set the ``agent_engine_id`` field.
     */
    agentEngineId(value: string | undefined): this;
    /**
     * Set the ``express_mode_api_key`` field.
     */
    expressModeApiKey(value: string | undefined): this;
    /**
     * Connects to the Vertex AI Agent Engine Session Service using Agent Engine SDK. Resolve into a native ADK _ADK_VertexAiSessionService.
     */
    build(): Record<string, unknown>;
}
/**
 * Artifact service that forwards to the parent tool context.
 */
export declare class ForwardingArtifactService extends BuilderBase {
    constructor(tool_context: string);
    /**
     * Artifact service that forwards to the parent tool context. Resolve into a native ADK _ADK_ForwardingArtifactService.
     */
    build(): Record<string, unknown>;
}
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