code: public InputSchemaUpdate withRecordColumnUpdates(RecordColumn... recordColumnUpdates) {
          if (this.recordColumnUpdates == null) {
              setRecordColumnUpdates(new java.util.ArrayList<RecordColumn>(recordColumnUpdates.length));
          }
          for (RecordColumn ele : recordColumnUpdates) {
              this.recordColumnUpdates.add(ele);
          }
          return this;
      }
docs: <p>
  A list of <code>RecordColumn</code> objects. Each object describes the mapping of the streaming source element to
  the corresponding column in the in-application stream.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setRecordColumnUpdates(java.util.Collection)} or {@link #withRecordColumnUpdates(java.util.Collection)}
  if you want to override the existing values.
  </p>
  
  @param recordColumnUpdates
  A list of <code>RecordColumn</code> objects. Each object describes the mapping of the streaming source
  element to the corresponding column in the in-application stream.
  @return Returns a reference to this object so that method calls can be chained together.