public String getField(String field) {
      return fields.get(field);
    }
Returns the value of a selected header field, or null if there is no header with that field
name.
@param field The name of the header to return (case-sensitive).
@return The value associated with that field name, or null if not present.
hbase-it/src/test/java/org/apache/hadoop/hbase/test/util/warc/WARCRecord.java