src/vs/workbench/api/common/extHostWebview.ts/ExtHostWebview/constructor
class ExtHostWebview:	constructor(
		handle: extHostProtocol.WebviewHandle,
		proxy: extHostProtocol.MainThreadWebviewsShape,
		options: vscode.WebviewOptions,
		remoteInfo: WebviewRemoteInfo,
		workspace: IExtHostWorkspace | undefined,
		extension: IExtensionDescription,
		deprecationService: IExtHostApiDeprecationService,
	) {
		this.#handle = handle;
		this.#proxy = proxy;
		this.#options = options;
		this.#remoteInfo = remoteInfo;
		this.#workspace = workspace;
		this.#extension = extension;
		this.#serializeBuffersForPostMessage = shouldSerializeBuffersForPostMessage(extension);
		this.#deprecationService = deprecationService;
	}