@Override
	public boolean isParameterOffset(int offset) {
		// If we have conventions, try to figure out where the parameters do start
		//   if no conventions or stack parameter defs, assume 0
		//
		Integer baseOffset = VariableUtilities.getBaseStackParamOffset(function);

		// if there is no offset, then input is not passed on the stack
		if (baseOffset == null) {
			return false;
		}
		return (stackGrowsNegative && offset >= baseOffset) ||
			(!stackGrowsNegative && offset < baseOffset);
	}
Returns true if specified offset could correspond to a parameter
@param offset
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/function/FunctionStackFrame.java