@property<EOL><INDENT>def labels(self):<DEDENT>
all_labels = set(self.token_patterns.keys())<EOL>all_labels.update(self.phrase_patterns.keys())<EOL>return tuple(all_labels)<EOL>
All labels present in the match patterns.

        RETURNS (set): The string labels.

        DOCS: https://spacy.io/api/entityruler#labels