Interface WebviewsExt

interface WebviewsExt {
    $deserializeWebviewPanel(
        newWebviewHandle: string,
        viewType: string,
        title: string,
        state: any,
        viewState: WebviewPanelViewState,
        options: WebviewOptions & WebviewPanelOptions,
    ): PromiseLike<void>;
    $onDidChangeWebviewPanelViewState(
        handle: string,
        newState: WebviewPanelViewState,
    ): void;
    $onDidDisposeWebviewPanel(handle: string): PromiseLike<void>;
    $onMessage(handle: string, message: any): void;
}