api/src/main/java/javax/faces/component/UIForm.xml

<?xml version="1.0"?>
<component>
    <component-class>javax.faces.component.UIForm</component-class>
    <base-class>javax.faces.component.UIComponentBase</base-class>
    <component-type>javax.faces.Form</component-type>
    <component-family>javax.faces.Form</component-family>
    <renderer-type>javax.faces.Form</renderer-type>
    <field proprietary="true" generateProperty="false" saveState="false">
        <name>submitted</name>
        <type>boolean</type>
        <default-value>false</default-value>
    </field>
</component>