import ts from 'typescript';
import { Context } from '../../../Context';
import { Types } from '../../constants';
import { IsHelper } from './IsHelper';
import { UnwrapHelper } from './UnwrapHelper';
import { WrapHelper } from './WrapHelper';
export declare class UnwrapForwardValueHelper extends UnwrapHelper {
}
export declare class WrapForwardValueHelper extends WrapHelper {
    protected readonly type = Types.ForwardValue;
}
export declare class IsForwardValueHelper extends IsHelper {
    protected readonly type = Types.ForwardValue;
}
export declare const hasForwardValue: (context: Context, node: ts.Node, type: ts.Type) => boolean;
export declare const isOnlyForwardValue: (context: Context, node: ts.Node, type: ts.Type) => boolean;
export declare const isForwardValue: (context: Context, node: ts.Node, type: ts.Type) => boolean;