import type { ITransformer } from "./ITransformer.js";
/**
 * Removes comments and whitespace from a PHP script, by calling a Web service.
 */
export declare class FastTransformer implements ITransformer {
    #private;
    /**
     * Creates a new fast transformer.
     * @param executable The path to the PHP executable.
     */
    constructor(executable?: string);
    /**
     * Releases any resources associated with this object.
     * @returns Resolves when this object is finally disposed.
     */
    [Symbol.asyncDispose](): Promise<void>;
    /**
     * Releases any resources associated with this object.
     * @returns Resolves when this object has been disposed.
     */
    dispose(): Promise<void>;
    /**
     * Starts the underlying PHP process and begins accepting connections.
     * @returns The TCP port used by the PHP process.
     */
    listen(): Promise<number>;
    /**
     * Processes a PHP script.
     * @param file The path to the PHP script.
     * @returns The transformed script.
     * @throws `Error` when an error occurred while processing the script.
     */
    transform(file: string): Promise<string>;
}
//# sourceMappingURL=FastTransformer.d.ts.map