Returns member's value from kwargs if found or from positionalArgumentKeyValueList if found
or default value otherwise.
    :type memberName: str
    :type positionalArgumentKeyValueList: list(tuple)
    :type kwargs: dict(string:*)

def _consumeArgument(self,
                         memberName,
                         positionalArgumentKeyValueList,
                         kwargs,
                         defaultValue):
        """Returns member's value from kwargs if found or from positionalArgumentKeyValueList if found
or default value otherwise.
    :type memberName: str
    :type positionalArgumentKeyValueList: list(tuple)
    :type kwargs: dict(string:*)
"""
        # Warning: we use this dict to simplify the usage of the key-value tuple list but be aware that this will
        # merge superfluous arguments as they have the same key : None.
        positionalArgumentDict = dict(positionalArgumentKeyValueList)

        if memberName in kwargs:
            return kwargs[memberName]

        if memberName in positionalArgumentDict:
            return positionalArgumentDict[memberName]

        return defaultValue