@Override
	public Library addExternalLibraryName(String name, SourceType source)
			throws DuplicateNameException, InvalidInputException {
		lock.acquire();
		try {
			Symbol librarySymbol = symbolMgr.getLibrarySymbol(name);
			if (librarySymbol != null) {
				return (Library) librarySymbol.getObject();
			}
			return addExternalName(name, null, source);
		}
		finally {
			lock.release();
		}
	}
Removes the external location at the given external address
@param externalAddr the address at which to remove the external location.
@return true if external location was successfully removed else false
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/external/ExternalManagerDB.java