CanBeCustomField
CanRender<Renderer<? extends Renderer<?>>>
Field
PlainTextField
ScalarField<Text>
UpdatableRichTextField
String
persistedHtml()
RichTextFieldRenderer
render()
containsIncompatibleValue
can, compareWith, description, id, is, label
asPlainText
get, getIfCan
PlainTextField.asPlainText()
render