kStandardStructureTypes top-level constant
Standard structure types (PDF 1.7 Table 333). Any other type must be mapped onto one of these through the structure tree's /RoleMap.
Implementation
const Set<String> kStandardStructureTypes = {
'Document', 'Part', 'Art', 'Sect', 'Div', 'BlockQuote', 'Caption', 'TOC',
'TOCI', 'Index', 'NonStruct', 'Private', 'P', 'H', 'H1', 'H2', 'H3', 'H4',
'H5', 'H6', 'L', 'LI', 'Lbl', 'LBody', 'Table', 'TR', 'TH', 'TD', 'THead',
'TBody', 'TFoot', 'Span', 'Quote', 'Note', 'Reference', 'BibEntry', 'Code',
'Link', 'Annot', 'Ruby', 'RB', 'RT', 'RP', 'Warichu', 'WT', 'WP', 'Figure',
'Formula', 'Form',
};