import { Color, CssProperty, Style, View } from '@nativescript/core';
export declare function applyMixins(derivedCtor: any, baseCtors: any[], options?: {
    after?: boolean;
    override?: boolean;
    omit?: (string | symbol)[];
}): void;
export declare const cssProperty: (target: Object, key: string | symbol) => void;
export declare const cssNavigationBarColorProperty: CssProperty<Style, Color>;
export declare const cssNavigationBarStyleProperty: CssProperty<Style, unknown>;
export declare const cssStatusBarColorProperty: CssProperty<Style, Color>;
export declare const statusBarHiddenProperty: CssProperty<Style, boolean>;
export declare const cssWindowBgColorProperty: CssProperty<Style, Color>;
export declare const keepScreenAwakeProperty: CssProperty<Style, boolean>;
export declare const screenBrightnessProperty: CssProperty<Style, number>;
export declare const screenOrientationProperty: CssProperty<Style, unknown>;
export declare function findTopView(view: View): View;