@Override
	public Address getSourceAddress() {
		CodeBlock block = getSourceBlock();
		if (block != null) {
			return block.getFirstStartAddress();
		}
		return referent;
	}
@see ghidra.program.model.block.CodeBlockReference#getSourceAddress()
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/model/block/CodeBlockReferenceImpl.java