import type { ArrowFunctionExpression, Comment, SourceLocation } from 'estree';
import type { StepperExpression, StepperPattern } from '..';
import { StepperBaseNode } from '../../interface';
import type { RedexInfo } from '../..';
export declare class StepperArrowFunctionExpression extends StepperBaseNode<ArrowFunctionExpression> implements ArrowFunctionExpression {
    readonly params: StepperPattern[];
    readonly body: StepperExpression;
    readonly name?: string | undefined;
    readonly expression: boolean;
    readonly generator: boolean;
    readonly async: boolean;
    constructor(params: StepperPattern[], body: StepperExpression, name?: string | undefined, expression?: boolean, generator?: boolean, async?: boolean, leadingComments?: Comment[], trailingComments?: Comment[], loc?: SourceLocation | null, range?: [number, number]);
    static create(node: ArrowFunctionExpression): StepperArrowFunctionExpression;
    isContractible(): boolean;
    isOneStepPossible(): boolean;
    contract(): StepperExpression;
    oneStep(): StepperExpression;
    assignName(name: string): StepperArrowFunctionExpression;
    scanAllDeclarationNames(): string[];
    substitute(id: StepperPattern, value: StepperExpression, redex: RedexInfo, upperBoundName?: string[]): StepperExpression;
    freeNames(): string[];
    allNames(): string[];
    rename(before: string, after: string): StepperExpression;
}