/**
 * SMI-1308: Worker Pool Utilities
 *
 * Utility functions for the worker thread pool.
 * Extracted from worker-pool.ts for better modularity.
 *
 * @see docs/internal/architecture/multi-language-analysis.md
 * @module analysis/worker-utils
 */
/**
 * Map of file extensions to language names
 * Used for metrics recording
 */
export declare const EXTENSION_TO_LANGUAGE: Record<string, string>;
/**
 * Get language from file extension
 *
 * @param ext - File extension (without leading dot)
 * @returns Language name or undefined if not supported
 *
 * @example
 * ```typescript
 * getLanguageFromExtension('ts') // 'typescript'
 * getLanguageFromExtension('py') // 'python'
 * getLanguageFromExtension('unknown') // undefined
 * ```
 */
export declare function getLanguageFromExtension(ext?: string): string | undefined;
/**
 * Chunk an array into smaller arrays of specified size
 *
 * @param array - Array to chunk
 * @param size - Maximum size of each chunk
 * @returns Array of chunks
 *
 * @example
 * ```typescript
 * chunkArray([1, 2, 3, 4, 5], 2) // [[1, 2], [3, 4], [5]]
 * ```
 */
export declare function chunkArray<T>(array: T[], size: number): T[][];
/**
 * Worker code template for inline parsing
 *
 * This code runs inside worker threads to perform basic regex-based parsing.
 * Full adapter-based parsing happens in main thread for accuracy.
 */
export declare const WORKER_PARSE_CODE = "\nconst { parentPort, workerData } = require('worker_threads');\n\nfunction processTask(task) {\n  const start = Date.now();\n  try {\n    const result = {\n      imports: [],\n      exports: [],\n      functions: [],\n    };\n\n    const lines = task.content.split('\\n');\n    for (let i = 0; i < lines.length; i++) {\n      const line = lines[i];\n\n      // Detect imports (TypeScript/JavaScript)\n      if (/^import\\s/.test(line) || /^from\\s/.test(line)) {\n        const moduleMatch = line.match(/from\\s+['\"]([^'\"]+)['\"]/);\n        result.imports.push({\n          module: moduleMatch ? moduleMatch[1] : line.trim(),\n          namedImports: [],\n          isTypeOnly: /^import\\s+type/.test(line),\n          sourceFile: task.filePath,\n          line: i + 1,\n        });\n      }\n\n      // Detect imports (Python)\n      if (/^import\\s+\\w/.test(line) || /^from\\s+\\w/.test(line)) {\n        const moduleMatch = line.match(/^(?:from\\s+)?(\\w+(?:\\.\\w+)*)/);\n        if (moduleMatch && !result.imports.some(imp => imp.line === i + 1)) {\n          result.imports.push({\n            module: moduleMatch[1],\n            namedImports: [],\n            isTypeOnly: false,\n            sourceFile: task.filePath,\n            line: i + 1,\n          });\n        }\n      }\n\n      // Detect imports (Go)\n      if (/^\\s*\"[^\"]+\"/.test(line) || /^import\\s+/.test(line)) {\n        const pathMatch = line.match(/\"([^\"]+)\"/);\n        if (pathMatch) {\n          result.imports.push({\n            module: pathMatch[1],\n            namedImports: [],\n            isTypeOnly: false,\n            sourceFile: task.filePath,\n            line: i + 1,\n          });\n        }\n      }\n\n      // Detect functions (TypeScript/JavaScript)\n      const tsFuncMatch = line.match(/^(export\\s+)?(async\\s+)?function\\s+(\\w+)/);\n      if (tsFuncMatch) {\n        result.functions.push({\n          name: tsFuncMatch[3],\n          parameterCount: 0,\n          isAsync: !!tsFuncMatch[2],\n          isExported: !!tsFuncMatch[1],\n          sourceFile: task.filePath,\n          line: i + 1,\n        });\n      }\n\n      // Detect functions (Python)\n      const pyFuncMatch = line.match(/^(async\\s+)?def\\s+(\\w+)/);\n      if (pyFuncMatch) {\n        result.functions.push({\n          name: pyFuncMatch[2],\n          parameterCount: 0,\n          isAsync: !!pyFuncMatch[1],\n          isExported: !pyFuncMatch[2].startsWith('_'),\n          sourceFile: task.filePath,\n          line: i + 1,\n        });\n      }\n\n      // Detect functions (Go)\n      const goFuncMatch = line.match(/^func\\s+(?:\\([^)]+\\)\\s+)?(\\w+)/);\n      if (goFuncMatch) {\n        const isExported = goFuncMatch[1][0] === goFuncMatch[1][0].toUpperCase();\n        result.functions.push({\n          name: goFuncMatch[1],\n          parameterCount: 0,\n          isAsync: false,\n          isExported: isExported,\n          sourceFile: task.filePath,\n          line: i + 1,\n        });\n      }\n\n      // Detect exports (TypeScript/JavaScript)\n      if (/^export\\s+(default\\s+)?(const|let|var|class|function|interface|type|enum)/.test(line)) {\n        const exportMatch = line.match(/^export\\s+(default\\s+)?(const|let|var|class|function|interface|type|enum)\\s+(\\w+)/);\n        if (exportMatch) {\n          result.exports.push({\n            name: exportMatch[3],\n            kind: exportMatch[2] === 'function' ? 'function' :\n                  exportMatch[2] === 'class' ? 'class' :\n                  exportMatch[2] === 'interface' ? 'interface' :\n                  exportMatch[2] === 'type' ? 'type' :\n                  exportMatch[2] === 'enum' ? 'enum' : 'variable',\n            isDefault: !!exportMatch[1],\n            sourceFile: task.filePath,\n            line: i + 1,\n          });\n        }\n      }\n    }\n\n    return {\n      filePath: task.filePath,\n      result,\n      durationMs: Date.now() - start,\n    };\n  } catch (error) {\n    return {\n      filePath: task.filePath,\n      result: { imports: [], exports: [], functions: [] },\n      durationMs: Date.now() - start,\n      error: error.message || String(error),\n    };\n  }\n}\n\nconst results = workerData.tasks.map(processTask);\nparentPort.postMessage(results);\n";
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