import type { ChunkyLintConfig } from "../types/chunky-lint-types.js";
/**
 * Load JavaScript/TypeScript config file.
 *
 * @param filePath - Absolute path to the config file.
 *
 * @returns Parsed and validated chunky-lint config.
 *
 * @throws - When import or validation fails.
 */
export declare function loadJsConfig(filePath: string): Promise<ChunkyLintConfig>;
/**
 * Load chunky-lint configuration from an explicit path or by auto-discovery.
 *
 * @param configPath - Optional explicit config path.
 * @param cwd - Working directory used for path resolution and discovery.
 *
 * @returns Parsed config object or `null` when no config is found.
 *
 * @throws - When discovery, reading, parsing, or validation fails.
 */
export declare function loadConfig(configPath?: string, cwd?: string): Promise<ChunkyLintConfig | null>;
/**
 * Merge file-based config with CLI options, where CLI values win.
 *
 * @param config - Base config loaded from file.
 * @param cliOptions - Partial overrides provided via CLI.
 *
 * @returns Merged chunky-lint configuration.
 */
export declare function mergeConfig(config: Readonly<ChunkyLintConfig>, cliOptions: Readonly<Partial<ChunkyLintConfig>>): ChunkyLintConfig;
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