The text segment is the text content part of a form field. It will be
treated as child of another FORM_FIELD TextSegment if its span is
subspan of another TextSegment with type FORM_FIELD.
FormFieldName
The text segment is the name part of a form field. It will be treated
as child of another FORM_FIELD TextSegment if its span is subspan of
another TextSegment with type FORM_FIELD.
Paragraph
The text segment is a paragraph.
Table
The text segment is a whole table, including headers, and all rows.
TableCell
The text segment is a cell in table. It will be treated as child of
another TABLE_ROW TextSegment if its span is subspan of another
TextSegment with type TABLE_ROW.
TableHeader
The text segment is a table's headers. It will be treated as child of
another TABLE TextSegment if its span is subspan of another TextSegment
with type TABLE.
TableRow
The text segment is a row in table. It will be treated as child of
another TABLE TextSegment if its span is subspan of another TextSegment
with type TABLE.