Return True if this decoration must be omitted, otherwise - False.
		This class searches for tags values in environment variable
		(:attr:`.Verifier.__environment_var__`), Derived class can implement any logic

		:return: bool

def decorate_disabled(self):
		""" Return True if this decoration must be omitted, otherwise - False.
		This class searches for tags values in environment variable
		(:attr:`.Verifier.__environment_var__`), Derived class can implement any logic

		:return: bool
		"""
		if len(self._tags) == 0:
			return False

		if self._env_var not in os.environ:
			return True

		env_tags = os.environ[self._env_var].split(self.__class__.__tags_delimiter__)
		if '*' in env_tags:
			return False

		for tag in self._tags:
			if tag in env_tags:
				return False
		return True