Make private/protected methods readable for backward compatibility.

Check whether control is active to current Customizer preview.

Default callback used when invoking WP_Customize_Control::active().

Render the custom attributes for the control’s input element.

Adds a customize panel.

Gets the registered containers.

Prevents sending a 404 status when returning the response for the customize preview, since it causes the jQuery Ajax to fail. Send 200 instead.

Retrieves a customize panel.

Gets the registered panels.

Removes a customize panel.