import * as Common from '../../core/common/common.js';
import * as EmulationModel from '../../models/emulation/emulation.js';
export declare class DeviceModeToolbar {
    private model;
    private readonly showMediaInspectorSetting;
    private readonly showRulersSetting;
    private readonly experimentDualScreenSupport;
    private readonly deviceOutlineSetting;
    private readonly showDeviceScaleFactorSetting;
    private readonly showUserAgentTypeSetting;
    private autoAdjustScaleSetting;
    private readonly lastMode;
    private readonly elementInternal;
    private readonly emulatedDevicesList;
    private readonly persistenceSetting;
    private spanButton;
    private modeButton;
    private widthInput;
    private heightInput;
    private deviceScaleItem;
    private deviceSelectItem;
    private scaleItem;
    private uaItem;
    private experimentalButton;
    private cachedDeviceScale;
    private cachedUaType;
    private xItem?;
    private throttlingConditionsItem?;
    private cachedModelType?;
    private cachedScale?;
    private cachedModelDevice?;
    private cachedModelMode?;
    constructor(model: EmulationModel.DeviceModeModel.DeviceModeModel, showMediaInspectorSetting: Common.Settings.Setting<boolean>, showRulersSetting: Common.Settings.Setting<boolean>);
    private createEmptyToolbarElement;
    private fillLeftToolbar;
    private fillMainToolbar;
    private fillRightToolbar;
    private fillModeToolbar;
    private createExperimentalButton;
    private experimentalClicked;
    private fillOptionsToolbar;
    private appendScaleMenuItems;
    private onScaleMenuChanged;
    private onAutoAdjustScaleChanged;
    private appendDeviceScaleMenuItems;
    private appendUserAgentMenuItems;
    private appendOptionsMenuItems;
    private reset;
    private wrapToolbarItem;
    private emulateDevice;
    private switchToResponsive;
    private filterDevices;
    private standardDevices;
    private customDevices;
    private allDevices;
    private appendDeviceMenuItems;
    private deviceListChanged;
    private updateDeviceScaleFactorVisibility;
    private updateUserAgentTypeVisibility;
    private spanClicked;
    private modeMenuClicked;
    private getPrettyFitZoomPercentage;
    private getPrettyZoomPercentage;
    element(): Element;
    update(): void;
    restore(): void;
}