def _literal_exclusions(self, stem: LiteralStemRange,<EOL>exclusions: List[ShExDocParser.LiteralExclusionContext]) -> None:
for excl in exclusions:<EOL><INDENT>excl_literal_v = self.context.literal_to_ObjectLiteral(excl.literal()).value<EOL>stem.exclusions.append(LiteralStem(excl_literal_v) if excl.STEM_MARK() else excl_literal_v)<EOL><DEDENT>
ShExC: literalExclusion = '-' literal STEM_MARK?
            ShExJ: exclusions: [STRING|LiteralStem +]
                   literalStem: {stem:STRING}