public boolean isUniqueName(String name) {
		return name == null || !usedNames.contains(name);
	}
Returns true if the specified name hasn't been allocated yet.

@param name string name to check
@return boolean true if the specified name hasn't been allocated yet
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/dwarf/NameDeduper.java