import type webpack from 'webpack';
import ts from 'typescript';
/**
 * Loader options which can be provided via webpack configuration
 * or a specific request query string
 */
export interface ITypeScriptLoaderOptions {
    /**
     * Keys to override in the `compilerOptions` section of the
     * `tsconfig.json` file.
     */
    compilerOptions?: Record<string, unknown>;
    /**
     * Turn persistent caching on/off.
     *
     *  @default true unless `transformers` is provided.
     */
    cache?: boolean;
    /**
     * Absolute path of an existing directory to use for persistent cache.
     *
     * @default uses `find-cache-dir` to search for caching path.
     */
    cacheDirectoryPath?: string;
    /**
     * Path to `tsconfig.json` file.
     * Specifying it will skip config lookup
     */
    configFilePath?: string;
    /**
     * Name of config file to search for when looking up config.
     *
     * @default 'tsconfig.json'
     */
    configFileName?: string;
    /**
     * Should loader search for config.
     * Loader will search for the closest tsconfig file to the root context, and load it.
     *
     * @default true
     */
    configLookup?: boolean;
    /**
     * Custom transformers to use when transpiling a module.
     *
     * @default undefined
     */
    transformers?: ts.CustomTransformers;
}
export declare const typescriptLoader: webpack.LoaderDefinition;
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