import { LitElement } from 'lit';
import { EnvironmentSettings } from '../viewer-settings';
import { default as ColorPalettePopover } from '@ui5/webcomponents/dist/ColorPalettePopover.js';
export declare class EnvironmentSettingsElement extends LitElement {
    isColumnMode: boolean;
    environmentSettings: EnvironmentSettings;
    colorPalettePopover: ColorPalettePopover;
    colorPaletteToggle: HTMLElement;
    render(): import('lit-html').TemplateResult<1>;
    private _toggleColorPalette;
    private _handleColorChanged;
    private _handleShowAxesStateChanged;
    private _handleAxesRemapChanged;
    private _handleApplyGradientStateChanged;
    private _handleBrightnessChanged;
    static styles: import('lit').CSSResult;
}