import { HTMLView, ExecutionContext, ViewTemplate } from '@microsoft/fast-element';
export interface FixtureOptions {
    document?: Document;
    parent?: HTMLElement;
    source?: any;
    context?: ExecutionContext;
}
export interface Fixture<TElement = HTMLElement> {
    document: Document;
    template: ViewTemplate;
    view: HTMLView;
    parent: HTMLElement;
    element: TElement;
    connect: () => Promise<void>;
    disconnect: () => Promise<void>;
}
export declare function uniqueElementName(): string;
export declare function fixture<TElement = HTMLElement>(templateOrElementName: ViewTemplate | string, options?: FixtureOptions): Promise<Fixture<TElement>>;