@Override
	public String toString() {
		return getClass().getSimpleName() + " " + lowerBoundField.getText() + " - " +
			upperBoundField.getText();
	}
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