import ts from 'typescript';
import { ScriptBuilder } from '../../../sb';
import { VisitOptions } from '../../../types';
import { TypedHelper, TypedHelperOptions } from '../TypedHelper';
export interface ToStringHelperOptions extends TypedHelperOptions {
    readonly initial?: boolean;
}
export declare class ToStringHelper extends TypedHelper {
    private readonly initial;
    constructor({ initial, type, knownType }: ToStringHelperOptions);
    emit(sb: ScriptBuilder, node: ts.Node, optionsIn: VisitOptions): void;
}