code: @Nonnull
    public FineUploader5Chunking setParamNamePartByteOffset (@Nonnull @Nonempty final String sParamNamePartByteOffset)
    {
      ValueEnforcer.notEmpty (sParamNamePartByteOffset, "ParamNamePartByteOffset");
      m_sChunkingParamNamesPartByteOffset = sParamNamePartByteOffset;
      return this;
    }
docs: Name of the parameter passed with a chunked request that specifies the
  starting byte of the associated chunk.
  
  @param sParamNamePartByteOffset
  New value. May neither be <code>null</code> nor empty.
  @return this for chaining