/**
 * Tool Discovery Service
 *
 * Provides semantic tool discovery with:
 * - Vector-based search via DiscoveryEngine
 * - Health filtering for disabled MCPs
 * - Score adjustment using SearchEnhancer
 * - CLI tool enhancement for shell commands
 * - Schema resolution from definitions/connections
 */
import { DiscoveryEngine } from '../../discovery/engine.js';
import { MCPHealthMonitor } from '../../utils/health-monitor.js';
import type { OrchestratorContext } from '../interfaces/orchestrator-context.js';
import type { OrchestratorService } from '../interfaces/service-container.js';
import type { DiscoveryResult, ToolSearchOptions } from '../types/discovery.js';
/**
 * CLI Scanner interface for optional CLI tool enhancement
 */
interface CLIScanner {
    searchTools(query: string): Promise<Array<{
        name: string;
        description?: string;
        capabilities: string[];
    }>>;
}
/**
 * Tool Discovery Service implementation
 */
export declare class ToolDiscoveryService implements OrchestratorService {
    private context;
    private discovery;
    private healthMonitor;
    private cliScanner?;
    private initialized;
    constructor(context: OrchestratorContext, discovery: DiscoveryEngine, healthMonitor: MCPHealthMonitor, cliScanner?: CLIScanner);
    /**
     * Initialize the discovery service
     */
    initialize(): Promise<void>;
    /**
     * Set CLI scanner for shell tool enhancement
     */
    setCLIScanner(scanner: CLIScanner): void;
    /**
     * Find tools matching a query
     *
     * @param query - Search query (empty for list all)
     * @param options - Search options
     * @returns Discovery results
     */
    find(query: string, options?: ToolSearchOptions): Promise<DiscoveryResult[]>;
    /**
     * Get tool schema by MCP name and tool name
     */
    getToolSchema(mcpName: string, toolName: string): any;
    /**
     * Get tool schema by identifier (e.g., "mcp:tool")
     */
    getToolSchemaByIdentifier(toolIdentifier: string): any;
    /**
     * List all tools filtered by health
     */
    private listAllTools;
    /**
     * Parse vector search results into discovery results
     */
    private parseResults;
    /**
     * Filter results by health status
     */
    private filterByHealth;
    /**
     * Adjust scores using SearchEnhancer for term frequency boosting
     */
    private adjustScoresUniversally;
    /**
     * Enhance shell tool descriptions with relevant CLI info
     */
    private enhanceWithCLIInfo;
    /**
     * Get relevant CLI tools for a query
     */
    private getRelevantCLITools;
    /**
     * Get required state from context
     */
    private getStateFromContext;
    /**
     * Cleanup
     */
    cleanup(): Promise<void>;
}
/**
 * Create a tool discovery service instance
 */
export declare function createToolDiscoveryService(context: OrchestratorContext, discovery: DiscoveryEngine, healthMonitor: MCPHealthMonitor, cliScanner?: CLIScanner): ToolDiscoveryService;
export {};
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