Changes to Count events matching batch replay filters

added the new optional query request parameter queryMode

added the new optional query request parameter idempotencyValue

added the new optional query request parameter body

the response property allOf[subschema #2]/data became nullable for the status 400

the response property allOf[subschema #2]/data became nullable for the status 401

the response property allOf[subschema #2]/data became nullable for the status 404

the allOf[subschema #2]/data response's property type changed from object to no type for status 400

the allOf[subschema #2]/data response's property type changed from object to no type for status 401

the allOf[subschema #2]/data response's property type changed from object to no type for status 404

added handlers.Stub to the allOf[subschema #2]/data response property allOf list for the response status 400

added handlers.Stub to the allOf[subschema #2]/data response property allOf list for the response status 401

added handlers.Stub to the allOf[subschema #2]/data response property allOf list for the response status 404

endpoint added