import { Writable } from 'stream';
import colors from 'colors/safe';
import { Entity } from '../models/entity';
/** @return whether the state has changed as a result of this call */
export declare const setGraphicalShellIsOpen: (isPopup: boolean) => boolean;
/**
 * Pretty print routine that dispatches to the underlying smarter
 * pretty printers (such as prettyDom and prettyjson)
 *
 */
export declare const print: (msg: Entity | Promise<Entity>, logger?: {
    (...data: any[]): void;
    (message?: any, ...optionalParams: any[]): void;
}, stream?: Writable, colorFn?: typeof colors.reset, ok?: string) => void | Promise<void>;