import { InterpreterSpec, InterpreterSpecSingle } from '../types';
/**
 * @function $pipe
 * @param {Expression[]} expressions
 * @returns {*} pipeResult
 */
export declare const $pipe: InterpreterSpec;
/**
 * @function $try
 * @param {Expression | *} expressionOrValue
 * @param {Expression | *} [catchExpressionOrValue=$$ERROR]
 */
export declare const $try: InterpreterSpec;
export declare const FUNCTIONAL_EXPRESSIONS: {
    $pipe: InterpreterSpecSingle;
    $try: {
        sync: InterpreterSpecSingle | import("../types").InterpreterFunction | null;
        async: InterpreterSpecSingle | import("../types").InterpreterFunction | null;
    };
};