import type es from 'estree';
import type { Context, Environment } from '../types';
import { Transformers } from './interpreter';
declare class Callable extends Function {
    constructor(f: any);
}
/**
 * Models function value in the CSE machine.
 */
export default class Closure extends Callable {
    node: es.ArrowFunctionExpression;
    environment: Environment;
    transformers: Transformers;
    static makeFromArrowFunction(node: es.ArrowFunctionExpression, environment: Environment, transformers: Transformers, context: Context, dummyReturn?: boolean, predefined?: boolean): Closure;
    /** Unique ID defined for closure */
    readonly id: string;
    /** Name of the constant declaration that the closure is assigned to */
    declaredName?: string;
    /** String representation of the closure, e.g. `x => ...` */
    functionName: string;
    /** Fake closure function */
    fun: Function;
    /** Keeps track of whether the closure is a pre-defined function */
    predefined: boolean;
    /** The original node that created this Closure */
    originalNode: es.ArrowFunctionExpression;
    constructor(node: es.ArrowFunctionExpression, environment: Environment, transformers: Transformers, context: Context, isPredefined?: boolean);
    toString(): string;
}
export {};