public static String readString(DataInput in, byte header) throws IOException {
    return StaticSerialization.readString(in, header);
  }
Reads an instance of {@code String} from a {@code DataInput} given the header byte already
being read. The return value may be {@code null}.

@throws IOException A problem occurs while reading from {@code in}
@since GemFire 5.7
geode-core/src/main/java/org/apache/geode/internal/InternalDataSerializer.java