Add more format values.

core/sections/clause_8_ogc-process-description.adoc

@@ -123,6 +123,9 @@ The <<jsonschemavalidation,JSON Schema specification>> defines a https://json-sc
 |http://www.opengis.net/def/format/ogcapi-processes/0/cql2-text-filter |cql2-text |Indicates that the string value is a filter expression encoded using the text representation of the https://docs.ogc.org/is/21-065r2/21-065r2.html[Common Query Language (CQL2)].
 |http://www.opengis.net/def/format/ogcapi-processes/0/cql2-json-filter |cql2-json |Indicates that the string value is a filter expression encoded using the JSON representation of the https://docs.ogc.org/is/21-065r2/21-065r2.html[Common Query Language (CQL2)].
 |http://www.opengis.net/def/format/ogcapi-processes/0/collection-id |collection-id |Indicates that the string value is a https://docs.ogc.org/DRAFTS/20-024.html#collection-description[collection identifier] (e.g. a feature collection identifier).
+|http://www.opengis.net/def/format/ogcapi-processes/0/stac-collection |stac-collection |Indicates that the string value is a https://github.com/radiantearth/stac-spec/blob/master/collection-spec/collection-spec.md[STAC collection].
+|http://www.opengis.net/def/format/ogcapi-processes/0/ogc-feature-collection |ogc-feature-collection |Indicates that the string value is an https://docs.ogc.org/is/17-069r4/17-069r4.html#_collection_[OGC feature collection].
+|http://www.opengis.net/def/format/ogcapi-processes/0/ogc-coverage-collection |ogc-coverage-collection |Indicates that the string value is an https://docs.ogc.org/DRAFTS/19-087.html#_extended_collection_description_response_collectionscollectionid[OGC coverage collection].
 |===
 
 NOTE: This list of values has been submitted to the https://www.ogc.org/projects/groups/ogcnasc[OGC Naming Authority] for registration in their definition server.