private boolean isValidParamType(ParamInfo param) {
		DataType dataType = param.getDataType();
		if (VoidDataType.isVoidDataType(dataType)) {
			statusText = "\"void\" is not allowed as a parameter datatype.";
			return false;
		}

		if (dataType.getLength() < 0) {
			statusText = "\"" + dataType.getName() +
				"\" is not allowed as a parameter datatype. Must be fixed size.";
			return false;
		}
		return true;
	}
Mark all storage conflicts identified by 
{@link VariableUtilities#checkVariableConflict(List, Variable, VariableStorage, VariableConflictHandler)}
@param conflicts parameters whose storage conflicts
@return return false to indicate conflicts have not been resolved and additional checks
should be disconctinued.
@see VariableConflictHandler
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/function/editor/FunctionEditorModel.java