@Override
	public void writeConfigState(SaveState saveState) {

		String stateKey = getStateKey();
		String[] values = new String[2];
		values[0] = lowerBoundField.getText();
		values[1] = upperBoundField.getText();

		saveState.putStrings(stateKey, values);
	}
Subclasses should return the Double value that is being filtered.

@param t The t from which to extract the Double value
@return the double value that is being filtered; convert T to a double
Ghidra/Features/VersionTracking/src/main/java/ghidra/feature/vt/gui/provider/matchtable/AbstractDoubleRangeFilter.java