private Address getFallThroughReference() {
		for (Reference ref : refMgr.getReferencesFrom(address)) {
			if (ref.getReferenceType().isFallthrough() && ref.getToAddress().isMemoryAddress()) {
				return ref.getToAddress();
			}
		}
		return null;
	}
Get the original context used to establish the shared prototype
@param baseContextReg is a context register
@return prototype context value
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/code/InstructionDB.java