/**
 * Search Tools Service
 *
 * Handles file and content search operations for the LLM tool system.
 * Extracted from ToolExecutionService to follow Single Responsibility Principle.
 *
 * Operations:
 * - Glob file search
 * - Grep content search
 * - Codebase semantic search
 *
 * Uses SafeExecutor.execute (spawn with an argument array, no shell) — the
 * `pattern`/`path` arguments here come straight from an LLM tool call with no
 * sanitization, and search patterns routinely contain quotes/backticks/`$()`
 * when searching for code that itself contains those characters (e.g.
 * searching for `exec("`). Interpolating them into a shell string let an
 * embedded `"` break out and run arbitrary commands via completely ordinary
 * grep/glob_file_search usage — no adversarial intent required.
 */
import type { getLogger } from '../../output/logger.js';
type Logger = ReturnType<typeof getLogger>;
/**
 * Service for search operations
 */
export declare class SearchToolsService {
    private readonly workingDir;
    constructor(workingDir?: string, _logger?: Logger);
    /**
     * Search for files using glob pattern
     * Uses fd for fast, .gitignore-aware file discovery with find as fallback
     */
    executeGlobSearch(args: Record<string, unknown>): Promise<string>;
    /** Try fd first (fast, .gitignore-aware); fall back to find if fd is unavailable or errors. */
    private runGlobSearch;
    /**
     * Search file contents using grep
     */
    executeGrep(args: Record<string, unknown>): Promise<string>;
    /** Try ripgrep first (fast, respects excludes); fall back to grep if rg is unavailable, errors, or finds nothing. */
    private runGrepSearch;
    /**
     * Semantic codebase search
     * Uses AST symbol index when available, falls back to grep
     */
    executeCodebaseSearch(args: Record<string, unknown>): Promise<string>;
}
/**
 * Get the singleton SearchToolsService instance
 */
export declare function getSearchToolsService(workingDir?: string): SearchToolsService;
/**
 * Reset the singleton instance (for testing)
 */
export declare function resetSearchToolsService(): void;
export {};
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