/**
 * Converts a synchronous task to a synchronous generator.
 *
 * @param task - The synchronous task to convert.
 * @returns The converted synchronous generator.
 * @typeParam R - The return type of the task.
 */
declare function $resultToGenerator<R>(resultOrPromiseResult: R): Generator<Extract<R, Error>, Exclude<R, Error>>;
/**
 * Converts a promise task to an asynchronous generator.
 *
 * @param task - The promise task to convert.
 * @returns The converted asynchronous generator.
 * @typeParam R - The return type of the task.
 */
declare function $resultToGenerator<R>(resultOrPromiseResult: Promise<R>): AsyncGenerator<Extract<R, Error>, Exclude<R, Error>>;
/**
 * Allows to compose tasks by mimicking the "try" operator in zig. A
 * synchronous generator function enable this composition by providing a "$try"
 * function that can be used to yield the result of a task. If the task returns
 * an error, the generator will stop the execution and return the error,
 * otherwise it will continue the execution with the result of the task.
 *
 * @param generator - The generator to execute.
 * @returns The result of the generator.
 * @typeParam T - The type of the successful result.
 * @typeParam E - The type of the error result.
 */
export declare function $macro<T, E>($generator: ($try: typeof $resultToGenerator) => Generator<T, E>): T | E;
/**
 * Allows to compose tasks by mimicking the "try" operator in zig. An
 * asynchronous generator function enable this composition by providing a "$try"
 * function that can be used to yield the result of a task. If the task returns
 * an error, the generator will stop the execution and return the error,
 * otherwise it will continue the execution with the result of the task.
 *
 * @param generator - The generator to execute.
 * @returns The result of the generator.
 * @typeParam T - The type of the successful result.
 * @typeParam E - The type of the error result.
 */
export declare function $macro<T, E>($generator: ($try: typeof $resultToGenerator) => AsyncGenerator<T, E>): Promise<T | E>;
export {};