Validate an IQLQuery
This use case validates an IQLQuery’s query string by checking for syntactic errors.
Parameters
- The 
queryfield of the IQLQuery as described in IQLQuery. 
On Success
- Returns 
{ "isValid": true }if the query string is syntactically valid IQL. Otherwise{ "isValid": false, "error": { "message": "..." }}is returned where the message contains additional information. See the IQL syntax documentation. 
On Failure
- The query was malformed.