use same http client in ImportCocoonRDF and define version 0.22
{// See https://go.microsoft.com/fwlink/?LinkId=759670// for the documentation about the jsconfig.json format"compilerOptions":{"target":"es6","module":"es6","allowSyntheticDefaultImports":true},"exclude":["node_modules","bower_components","jspm_packages","tmp","temp","dist"]}