/home/swish/lib/swipl/library/http/http_json.pl
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 reply_json(+JSONTerm) is det
 reply_json(+JSONTerm, +Options) is det
Formulate a JSON HTTP reply. See json_write/2 for details. The processed options are listed below. Remaining options are forwarded to json_write/3.
content_type(+Type)
The default Content-type is application/json; charset=UTF8. charset=UTF8 should not be required because JSON is defined to be UTF-8 encoded, but some clients insist on it.
status(+Code)
The default status is 200. REST API functions may use other values from the 2XX range, such as 201 (created).
json_object(+As)
One of term (classical json representation) or dict to use the new dict representation. If omitted and Term is a dict, dict is assumed. SWI-Prolog Version 7.
ClioPatria (version no GIT?)