import { ViewTransitionImagePair, ViewTransitionOld, ViewTransitionNew } from './view-transition-image-elements';
import { default as CaptureElement } from '../capture-element';
type GroupStyleRuleValues = {
    width: string;
    height: string;
    transform: string;
    writingMode: string;
    direction: string;
    textOrientation: string;
    mixBlendMode: string;
    backdropFilter: string;
    colorScheme: string;
};
export default class ViewTransitionGroup extends HTMLElement {
    constructor();
    transitionName: string;
    captureElement: CaptureElement;
    imagePair: ViewTransitionImagePair;
    oldImage: ViewTransitionOld | undefined;
    newImage: ViewTransitionNew | undefined;
    groupStyle: HTMLStyleElement;
    setupForOldImage(name: string, captureElement: CaptureElement): void;
    setupForNewImage(name: string, captureElement: CaptureElement): void;
    addNewImage(): void;
    setup(): void;
    appendToStyle(string: string): void;
    getStyleValues(stage?: 'old' | 'new'): GroupStyleRuleValues;
    mapStyleValuesForAttribute(values: GroupStyleRuleValues): void;
    getSizingAnimationParemters(): [number, string];
    getSizingAnimationDuration(style: CSSStyleDeclaration): number;
    getSizingAnimationEasing(style: CSSStyleDeclaration): string;
    animateImages(): void;
}
export {};