elasticsearch/docs/reference/elasticsearch-plugins/mapper-annotated-text-limitations.md

mapped_pages
https://www.elastic.co/guide/en/elasticsearch/plugins/current/mapper-annotated-text-limitations.html

Limitations [mapper-annotated-text-limitations]

The annotated_text field type supports the same mapping settings as the text field type but with the following exceptions:

• No support for fielddata or fielddata_frequency_filter
• No support for index_prefixes or index_phrases indexing