code: public void setSourceIds(java.util.Collection<String> sourceIds) {
          if (sourceIds == null) {
              this.sourceIds = null;
              return;
          }
  
          this.sourceIds = new com.amazonaws.internal.SdkInternalList<String>(sourceIds);
      }
docs: <p>
  A list of one or more identifiers of Amazon Redshift source objects. All of the objects must be of the same type
  as was specified in the source type parameter. The event subscription will return only events generated by the
  specified objects. If not specified, then events are returned for all objects within the source type specified.
  </p>
  <p>
  Example: my-cluster-1, my-cluster-2
  </p>
  <p>
  Example: my-snapshot-20131010
  </p>
  
  @param sourceIds
  A list of one or more identifiers of Amazon Redshift source objects. All of the objects must be of the
  same type as was specified in the source type parameter. The event subscription will return only events
  generated by the specified objects. If not specified, then events are returned for all objects within the
  source type specified.</p>
  <p>
  Example: my-cluster-1, my-cluster-2
  </p>
  <p>
  Example: my-snapshot-20131010