tests/package.json - third_party/flatbuffers - Git at Google

 {
     "dependencies": {
         "esm": "^3.2.25",
         "flatbuffers": "../",
         "grpc": "^1.24.6"
     }
 }
	{
	"dependencies": {
	"esm": "^3.2.25",
	"flatbuffers": "../",
	"grpc": "^1.24.6"
	}
	}