function _fieldChanged(oField, sMutation) {

		if (sMutation == "insert") {
			if (!oField.isA("sap.ui.core.IFormContent")) {
				Log.warning(oField + " is not valid Form content", this);
			}
			_attachDelegate.call(this, oField);
		} else {
			_detachDelegate.call(this, oField);
		}

		_updateLabelFor.call(this);

	}
Determines what fields must be rendered.

@returns {sap.ui.core.Control[]} Array of fields to be rendered
@private
@ui5-restricted sap.ui.layout.form.Form
@since 1.74.0