/**
 * runtime.ts
 *
 * Provides file system utilities used during the test-saving phase:
 * finding (or creating) the tests directory and writing generated spec files.
 *
 * The Runtime class abstracts away the "where should this file go?" question.
 * It searches the target project for common test directory names and falls back
 * to creating a "tests/" folder if none is found. It also handles the slug-to-
 * filename conversion so all saved specs follow a consistent naming pattern.
 *
 * Role in the overall flow:
 *   save_test MCP tool → Runtime.resolveTestsDir() → Runtime.saveTestFile()
 */
import { FrameworkConfig } from '../types';
/**
 * Handles filesystem operations needed when saving generated test files to
 * the user's project.
 */
export declare class Runtime {
    private config;
    /**
     * @param config - Framework configuration (currently unused directly, available
     *                 for future extensions that need config values at save time).
     */
    constructor(config: FrameworkConfig);
    /**
     * Find the directory where test spec files should be saved.
     *
     * Checks common test directory names in order: tests, e2e, test, spec.
     * If none exist, creates "tests/" and returns that path.
     *
     * @param cwd - The root of the target project to search within.
     * @returns Absolute path to the resolved tests directory.
     */
    resolveTestsDir(cwd: string): Promise<string>;
    /**
     * Write a generated test spec to disk as a .spec.ts file.
     *
     * The test name is slugified (lowercased, spaces to hyphens, special chars removed)
     * to form a safe filename.
     *
     * @param testsDir - Directory where the file should be written.
     * @param name     - Human-readable test name used to derive the filename.
     * @param code     - TypeScript source code to write into the file.
     * @returns Absolute path to the file that was written.
     */
    saveTestFile(testsDir: string, name: string, code: string): Promise<string>;
}
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