Request body for POST /Document/Pages (CreatePages) and PUT /Document/Pages (ReplacePages). Carries the textual page content alongside any uploaded image files.
Optional text content for new pages. Paired by index with imageFiles —
page[i] gets textPages[i] and imageFiles[i]. If one array is shorter,
the corresponding pages are created without that part.
Request body for POST /Document/Pages (CreatePages) and PUT /Document/Pages (ReplacePages). Carries the textual page content alongside any uploaded image files.