public void attachSignature(FunctionDescription fd, SignatureRecord srec) {
		fd.setSignatureRecord(srec);
		setSignatureId(fd, srec.getVectorId());
	}
Associate a signature with a specific function
@param fd is the FunctionDescription
@param srec is the SignatureRecord
Ghidra/Features/BSim/src/main/java/ghidra/features/bsim/query/description/DescriptionManager.java