*`addJavaScriptHandler({required String handlerName, required JavaScriptHandlerCallback callback})`: Adds a JavaScript message handler callback that listen to post messages sent from JavaScript by the handler with name `handlerName`.
*`addJavaScriptHandler({required String handlerName, required JavaScriptHandlerCallback callback})`: Adds a JavaScript message handler callback that listen to post messages sent from JavaScript by the handler with name `handlerName`.
*`addUserScript(UserScript userScript)`: Injects the specified `userScript` into the webpage’s content.
*`addUserScript(UserScript userScript)`: Injects the specified `userScript` into the webpage’s content.
*`addUserScripts(List<UserScript> userScripts)`: Injects the `userScripts` into the webpage’s content.
*`addUserScripts(List<UserScript> userScripts)`: Injects the `userScripts` into the webpage’s content.
*`callAsyncJavaScript({required String functionBody, Map<String, dynamic> arguments = const <String, dynamic>{}, ContentWorld? contentWorld})`: Executes the specified string as an asynchronous JavaScript function.
*`canGoBackOrForward({required int steps})`: Returns a boolean value indicating whether the WebView can go back or forward the given number of steps. Steps is negative if backward and positive if forward.
*`canGoBackOrForward({required int steps})`: Returns a boolean value indicating whether the WebView can go back or forward the given number of steps. Steps is negative if backward and positive if forward.
*`canGoBack`: Returns a boolean value indicating whether the WebView can move backward.
*`canGoBack`: Returns a boolean value indicating whether the WebView can move backward.
*`canGoForward`: Returns a boolean value indicating whether the WebView can move forward.
*`canGoForward`: Returns a boolean value indicating whether the WebView can move forward.
*`clearCache`: Clears all the webview's cache.
*`clearCache`: Clears all the webview's cache.
*`clearFocus`: Clears the current focus. It will clear also, for example, the current text selection.
*`clearFocus`: Clears the current focus. It will clear also, for example, the current text selection.
*`clearMatches`: Clears the highlighting surrounding text matches created by `findAllAsync()`.
*`clearMatches`: Clears the highlighting surrounding text matches created by `findAllAsync()`.
*`evaluateJavascript({required String source})`: Evaluates JavaScript code into the WebView and returns the result of the evaluation.
*`evaluateJavascript({required String source, ContentWorld? contentWorld})`: Evaluates JavaScript code into the WebView and returns the result of the evaluation.
*`findAllAsync({required String find})`: Finds all instances of find on the page and highlights them. Notifies `onFindResultReceived` listener.
*`findAllAsync({required String find})`: Finds all instances of find on the page and highlights them. Notifies `onFindResultReceived` listener.
*`findNext({required bool forward})`: Highlights and scrolls to the next match found by `findAllAsync()`. Notifies `onFindResultReceived` listener.
*`findNext({required bool forward})`: Highlights and scrolls to the next match found by `findAllAsync()`. Notifies `onFindResultReceived` listener.
*`getCertificate`: Gets the SSL certificate for the main top-level page or null if there is no certificate (the site is not secure).
*`getCertificate`: Gets the SSL certificate for the main top-level page or null if there is no certificate (the site is not secure).
