public void populate(EditableValueHolder evh) {
        value = evh.getLocalValue();
        valid = evh.isValid();
        submittedValue = evh.getSubmittedValue();
        localValueSet = evh.isLocalValueSet();
    }
Keeps state of a component implementing {@link jakarta.faces.component.EditableValueHolder}.
primefaces/src/main/java/org/primefaces/component/api/SavedState.java