public State getState() {
		return state;
	}
Returns the state as {@link State} enum.
<p>
Alternatively you can use {@link #getChecked()} to get all three states as {@link Boolean}
or {@link #isIndeterminate()} to check only for indeterminate state.
flatlaf-extras/src/main/java/com/formdev/flatlaf/extras/components/FlatTriStateCheckBox.java