/**
 * Session Tools Service
 *
 * Handles session querying operations for the LLM tool system.
 * Extracted from ToolExecutionService to follow Single Responsibility Principle.
 *
 * Operations:
 * - List recent sessions
 * - Search sessions for content
 * - Get session details
 */
import type { getLogger } from '../../output/logger.js';
type Logger = ReturnType<typeof getLogger>;
/**
 * Service for session query operations
 */
export declare class SessionToolsService {
    private readonly workingDir;
    constructor(workingDir?: string, _logger?: Logger);
    /**
     * Execute query session tool
     */
    executeQuerySession(args: Record<string, unknown>): Promise<string>;
    /**
     * List recent sessions with metadata
     */
    private listSessions;
    /**
     * Parse session files into summaries
     */
    private parseSessionFiles;
    /**
     * Parse a single session file into a summary
     */
    private parseSessionFile;
    /**
     * Search sessions for matching content
     */
    private searchSessions;
    /**
     * Search a single session file for matching content
     */
    private searchSessionFile;
    /**
     * Extract a snippet around a match with context
     */
    private extractMatchSnippet;
    /**
     * Get details of a specific session
     */
    private getSessionDetails;
    /**
     * Format command details for output
     */
    private formatCommandDetails;
    /**
     * Format a single output value with truncation
     */
    private formatOutputValue;
    /**
     * Resolve a path relative to the working directory
     */
    private resolvePath;
}
/**
 * Get the singleton SessionToolsService instance
 */
export declare function getSessionToolsService(workingDir?: string): SessionToolsService;
/**
 * Reset the singleton instance (for testing)
 */
export declare function resetSessionToolsService(): void;
export {};
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