import { type InitOptions } from '../commands/init.js';
import { type PathEnvironment } from '../config/paths.js';
import type { SqliteDatabase } from '../db/adapter.js';
import { type EmbeddingDatabaseOpener } from '../embedding/backend.js';
import type { EmbeddingConfig, EmbeddingProvider, EmbeddingRuntime, VectorSearchBackend } from '../embedding/types.js';
export interface McpRuntimeOwnerOptions extends PathEnvironment {
    readonly databasePath?: string;
    readonly migrationsDirectory?: string;
    readonly initializeDatabase?: (options: InitOptions) => unknown | PromiseLike<unknown>;
    readonly openDatabase?: EmbeddingDatabaseOpener;
    readonly embeddingConfig?: EmbeddingConfig;
    readonly embeddingProvider?: EmbeddingProvider;
    readonly embeddingBackend?: VectorSearchBackend;
}
export type McpDatabaseOperation<T> = (database: SqliteDatabase, runtime: EmbeddingRuntime) => Promise<T> | T;
export interface McpDatabaseOwner {
    withDatabase<T>(operation: McpDatabaseOperation<T>): Promise<T>;
    close(): Promise<void>;
}
/** Own one MCP-process database/runtime instead of opening a connection per tool call. */
export declare class McpRuntimeOwner implements McpDatabaseOwner {
    #private;
    constructor(options?: McpRuntimeOwnerOptions);
    withDatabase<T>(operation: McpDatabaseOperation<T>): Promise<T>;
    close(): Promise<void>;
}
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