import ts from 'typescript';
import { Types } from '../../constants';
import { ScriptBuilder } from '../../sb';
import { VisitOptions } from '../../types';
import { Helper } from '../Helper';
export interface EqualsEqualsEqualsHelperOptions {
    readonly leftType: ts.Type | undefined;
    readonly leftKnownType?: Types;
    readonly rightType: ts.Type | undefined;
    readonly rightKnownType?: Types;
}
export declare class EqualsEqualsEqualsHelper extends Helper {
    private readonly leftType;
    private readonly leftKnownType?;
    private readonly rightType;
    private readonly rightKnownType?;
    constructor(options: EqualsEqualsEqualsHelperOptions);
    emit(sb: ScriptBuilder, node: ts.Node, options: VisitOptions): void;
}