public static boolean isEncodedValue(PositionedByteRange src) {
    return isNull(src) || isNumeric(src) || isFixedInt8(src) || isFixedInt16(src)
      || isFixedInt32(src) || isFixedInt64(src) || isFixedFloat32(src) || isFixedFloat64(src)
      || isText(src) || isBlobCopy(src) || isBlobVar(src);
  }
Returns true when {@code src} appears to be positioned an encoded value, false otherwise.
hbase-common/src/main/java/org/apache/hadoop/hbase/util/OrderedBytes.java