code: public DescribeJobResult withSubJobMetadata(JobMetadata... subJobMetadata) {
          if (this.subJobMetadata == null) {
              setSubJobMetadata(new java.util.ArrayList<JobMetadata>(subJobMetadata.length));
          }
          for (JobMetadata ele : subJobMetadata) {
              this.subJobMetadata.add(ele);
          }
          return this;
      }
docs: <p>
  Information about a specific job part (in the case of an export job), including shipping information, job status,
  and other important metadata.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setSubJobMetadata(java.util.Collection)} or {@link #withSubJobMetadata(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param subJobMetadata
  Information about a specific job part (in the case of an export job), including shipping information, job
  status, and other important metadata.
  @return Returns a reference to this object so that method calls can be chained together.