import type { ReplaceTuples } from "./replace.js";
import type { TransformMode } from "./transforms/mode.js";
export type Config = {
    /**
     * The input directory to gather file paths from.
     * @default "src"
     */
    input?: string;
    /**
     * The output directory for the package export files.
     * @default "dist"
     */
    output?: string;
    /**
     * A list of globs to include file paths from.
     * @default ["**\/*.{ts,tsx,cts,mts,js,jsx,mjs,cjs,css}"]
     */
    include?: string[];
    /**
     * A list of globs to exclude file paths from.
     * @default ["**\/*.d.ts", "**\/*.test.*", "**\/*.spec.*", "**\/__tests__/**"]
     */
    exclude?: string[];
    /**
     * The mode to transform filepath segments.
     * - `"passthrough"` - No transformation (default)
     * - `"camelCase"` - Transform to camelCase
     * - `"kebab-case"` - Transform to kebab-case
     * - `"PascalCase"` - Transform to PascalCase
     * - `"snake_case"` - Transform to snake_case
     * @default "passthrough"
     */
    mode?: TransformMode;
    /**
     * Add a unique custom condition to the package.json exports for supporting live types in a monorepo.
     * Example: "@my-package/source"
     * @see https://colinhacks.com/essays/live-types-typescript-monorepo
     * @default undefined
     */
    customCondition?: string | null;
    /**
     * Replace export keys, a way to rename exports.
     * Array of tuples: [pattern, replacement]
     * Pattern can be a string or RegExp.
     * @example [["/_pb/", ""]] // Remove _pb suffix from protobuf files
     * @default []
     */
    replace?: ReplaceTuples;
    /**
     * When true, emit plain string entries pointing directly to source files,
     * omitting `import`, `types`, and any custom condition from the exports map.
     * @default false
     */
    sourceOnly?: boolean;
};
/**
 * Load config from gen-x.config.{ts,js,mjs,cjs,json} or package.json#genx
 * Priority: gen-x.config.* > package.json#genx
 */
export declare function loadConfig(cwd?: string): Promise<Config | null>;
/**
 * Merge configs with priority: cli > config file > defaults
 */
export declare function mergeConfigs(cliConfig: Config, fileConfig: Config | null, defaults: Config): Config;
/**
 * Type-safe helper for defining gen-x configuration.
 * Use in gen-x.config.ts or gen-x.config.js files.
 *
 * @example
 * ```ts
 * import { defineConfig } from "@ngrok/gen-x";
 *
 * export default defineConfig({
 *   mode: "camelCase",
 *   customCondition: "@my-package/source"
 * });
 * ```
 */
export declare function defineConfig(config: Config): Config;