code: function syncCurrentBackendInfo(projectInfo, backendDetails, awsDetails, callback){
      mobileProjectExport.retrieveYaml(projectInfo, function(){
          let currentBackendYamlFilePath = pathManager.getCurrentBackendYamlFilePath(projectInfo.ProjectPath)
          let backendProject = awsMobileYamlOps.readYamlFileSync(currentBackendYamlFilePath)
          if(callback){
              callback(backendProject)
          }
      })
  }
docs: ////////////////// sync backend project ////////////////////