public void dispose() {
		// Don't have any options change listeners to clean up.
	}
Creates a standard StringEnum for the Symbols option.
The current selected item will be based on the filter's value.
@param defaultApplyFilter the ProgramMergeFilter value to use to select an item initially.
@param type the ProgramMergeFilter filter type
@return the StringEnum
Ghidra/Features/ProgramDiff/src/main/java/ghidra/app/plugin/core/diff/DiffApplySettingsOptionManager.java