import { Project, Task, Agent } from '../types/index.js';
/**
 * Database Service for ControlAI MCP
 *
 * Now uses CBD (Codai Better Database) for consistency with MemorAI and ecosystem.
 * Maintains the same interface as the original SQLite implementation for compatibility.
 */
export declare class DatabaseService {
    private adapter;
    private isInitialized;
    constructor(cbdUrl?: string);
    initialize(): Promise<void>;
    createProject(project: Omit<Project, 'createdAt' | 'updatedAt'>): Promise<Project>;
    getProject(id: string): Promise<Project | null>;
    getAllProjects(): Promise<Project[]>;
    updateProject(id: string, updates: Partial<Project>): Promise<Project>;
    deleteProject(id: string): Promise<boolean>;
    createTask(task: Omit<Task, 'createdAt' | 'updatedAt'>): Promise<Task>;
    getTask(id: string): Promise<Task | null>;
    getTasksByProject(projectId: string): Promise<Task[]>;
    getAvailableTasks(): Promise<Task[]>;
    updateTask(id: string, updates: Partial<Task>): Promise<Task>;
    deleteTask(id: string): Promise<boolean>;
    registerAgent(agent: Omit<Agent, 'createdAt' | 'lastActiveAt'>): Promise<Agent>;
    getAgent(id: string): Promise<Agent | null>;
    getAllAgents(): Promise<Agent[]>;
    updateAgent(id: string, updates: Partial<Agent>): Promise<Agent>;
    deleteAgent(id: string): Promise<boolean>;
    getWorkspaceMetrics(workspaceId: string): Promise<any>;
    searchEntities(query: string, entityType?: string, limit?: number): Promise<any[]>;
    healthCheck(): Promise<{
        status: string;
        version: string;
        timestamp: string;
    }>;
    getStats(): Promise<any>;
    close(): Promise<void>;
    private ensureInitialized;
    /**
     * Get connection status and service information
     */
    getConnectionInfo(): Promise<{
        connected: boolean;
        service: string;
        backend: string;
        version: string;
        url: string;
    }>;
    /**
     * Test all database operations with sample data
     */
    runIntegrationTest(): Promise<{
        success: boolean;
        results: {
            [key: string]: boolean;
        };
        errors: {
            [key: string]: string;
        };
    }>;
}
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