import ts from 'typescript';
import { Context } from '../../../../Context';
export declare const hasString: (context: Context, node: ts.Node, type: ts.Type) => boolean;
export declare const isOnlyString: (context: Context, node: ts.Node, type: ts.Type) => boolean;
export declare const isString: (_context: Context, _node: ts.Node, type: ts.Type) => boolean;