Interface WebviewViewsExt

interface WebviewViewsExt {
    $disposeWebviewView(handle: string): void;
    $onDidChangeWebviewViewVisibility(handle: string, visible: boolean): void;
    $resolveWebviewView(
        handle: string,
        viewType: string,
        title: undefined | string,
        state: any,
        cancellation: CancellationToken,
    ): Promise<void>;
}