code: public BatchReadRequest withOperations(BatchReadOperation... operations) {
          if (this.operations == null) {
              setOperations(new java.util.ArrayList<BatchReadOperation>(operations.length));
          }
          for (BatchReadOperation ele : operations) {
              this.operations.add(ele);
          }
          return this;
      }
docs: <p>
  A list of operations that are part of the batch.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setOperations(java.util.Collection)} or {@link #withOperations(java.util.Collection)} if you want to
  override the existing values.
  </p>
  
  @param operations
  A list of operations that are part of the batch.
  @return Returns a reference to this object so that method calls can be chained together.