import type { Comment, ConditionalExpression, SourceLocation } from 'estree';
import type { StepperExpression, StepperPattern } from '..';
import { StepperBaseNode } from '../../interface';
import type { RedexInfo } from '../..';
export declare class StepperConditionalExpression extends StepperBaseNode<ConditionalExpression> implements ConditionalExpression {
    readonly test: StepperExpression;
    readonly consequent: StepperExpression;
    readonly alternate: StepperExpression;
    constructor(test: StepperExpression, consequent: StepperExpression, alternate: StepperExpression, leadingComments?: Comment[], trailingComments?: Comment[], loc?: SourceLocation | null, range?: [number, number]);
    static create(node: ConditionalExpression): StepperConditionalExpression;
    isContractible(redex: RedexInfo): boolean;
    isOneStepPossible(redex: RedexInfo): boolean;
    contract(redex: RedexInfo): StepperExpression;
    oneStep(redex: RedexInfo): StepperExpression;
    substitute(id: StepperPattern, value: StepperExpression, redex: RedexInfo): StepperExpression;
    freeNames(): string[];
    allNames(): string[];
    rename(before: string, after: string): StepperExpression;
}