code: def detect_fastq_annotations(fastq_file):
      
      annotations = set()
      queryread = tz.first(read_fastq(fastq_file))
      for k, v in BARCODEINFO.items():
          if v.readprefix in queryread:
              annotations.add(k)
      return annotations
docs: detects annotations preesent in a FASTQ file by examining the first read