BibTeXParser
default_binary: bool
@classmethod
is_valid_tex_block(cls, block: str):
@classmethod
is_valid_stream_start(cls, tag_str):
parse_bib_item(self, allowed_items=None, return_end_points=False):
@classmethod
parse_bib_body(self, text, allowed_fields=None, parse_lines=True):