public Library createLibrary(String libraryName)
			throws DuplicateNameException, InvalidInputException {
		return createLibrary(libraryName, SourceType.USER_DEFINED);
	}
Creates a function by examining the instructions to find the body.

@param addressString the address
@return the function
Ghidra/Features/Base/src/main/java/ghidra/program/database/ProgramBuilder.java