/**
 * In-Memory Database Adapter - Simple implementation for testing and development
 */
import type { DbAdapter, DbSession, DbMessage, DbRun, DbToolCall, DbTrace, DbSpan } from './types';
export declare class MemoryDbAdapter implements DbAdapter {
    private sessions;
    private messages;
    private runs;
    private toolCalls;
    private traces;
    private spans;
    private connected;
    createSession(session: DbSession): Promise<void>;
    getSession(id: string): Promise<DbSession | null>;
    updateSession(id: string, updates: Partial<DbSession>): Promise<void>;
    deleteSession(id: string): Promise<void>;
    listSessions(limit?: number, offset?: number): Promise<DbSession[]>;
    saveMessage(message: DbMessage): Promise<void>;
    getMessages(sessionId: string, limit?: number): Promise<DbMessage[]>;
    deleteMessages(sessionId: string): Promise<void>;
    createRun(run: DbRun): Promise<void>;
    getRun(id: string): Promise<DbRun | null>;
    updateRun(id: string, updates: Partial<DbRun>): Promise<void>;
    listRuns(sessionId: string, limit?: number): Promise<DbRun[]>;
    saveToolCall(toolCall: DbToolCall): Promise<void>;
    getToolCalls(runId: string): Promise<DbToolCall[]>;
    createTrace(trace: DbTrace): Promise<void>;
    getTrace(id: string): Promise<DbTrace | null>;
    updateTrace(id: string, updates: Partial<DbTrace>): Promise<void>;
    createSpan(span: DbSpan): Promise<void>;
    getSpans(traceId: string): Promise<DbSpan[]>;
    updateSpan(id: string, updates: Partial<DbSpan>): Promise<void>;
    connect(): Promise<void>;
    disconnect(): Promise<void>;
    isConnected(): boolean;
    clear(): void;
    getStats(): {
        sessions: number;
        messages: number;
        runs: number;
    };
}