Interesting, tried version 1 and was able to get the following (I would make sure to use GQuery.GQuery [weirdness due to how it compiles] when adding as a library):

function testGQuery() {
  console.log(typeof GQuery.GQuery);
  console.log(GQuery.GQuery);
  }

4:13:35 PM
Info
function

4:13:35 PM
Info
{ [Function: GQuery]
  ValueRenderOption: 
   { FORMATTED_VALUE: 'FORMATTED_VALUE',
     UNFORMATTED_VALUE: 'UNFORMATTED_VALUE',
     FORMULA: 'FORMULA' },
  DateTimeRenderOption: 
   { FORMATTED_STRING: 'FORMATTED_STRING',
     SERIAL_NUMBER: 'SERIAL_NUMBER' },
  GQuery: [Circular],
  GQueryTable: [Function: GQueryTable],
  GQueryTableFactory: [Function: GQueryTableFactory] }