message: chore: use strict TS option for dtslint
diff: "rxjs/operators": ["../dist/types/operators"]
  },
  "skipLibCheck": true,
  - "strictFunctionTypes": true,
  - "strictNullChecks": true,
  + "strict": true,
  "target": "es2015"
  }
  }
  \ No newline at end of file
  