code: public ReplicaSettingsUpdate withReplicaGlobalSecondaryIndexSettingsUpdate(
              ReplicaGlobalSecondaryIndexSettingsUpdate... replicaGlobalSecondaryIndexSettingsUpdate) {
          if (this.replicaGlobalSecondaryIndexSettingsUpdate == null) {
              setReplicaGlobalSecondaryIndexSettingsUpdate(new java.util.ArrayList<ReplicaGlobalSecondaryIndexSettingsUpdate>(
                      replicaGlobalSecondaryIndexSettingsUpdate.length));
          }
          for (ReplicaGlobalSecondaryIndexSettingsUpdate ele : replicaGlobalSecondaryIndexSettingsUpdate) {
              this.replicaGlobalSecondaryIndexSettingsUpdate.add(ele);
          }
          return this;
      }
docs: <p>
  Represents the settings of a global secondary index for a global table that will be modified.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setReplicaGlobalSecondaryIndexSettingsUpdate(java.util.Collection)} or
  {@link #withReplicaGlobalSecondaryIndexSettingsUpdate(java.util.Collection)} if you want to override the existing
  values.
  </p>
  
  @param replicaGlobalSecondaryIndexSettingsUpdate
  Represents the settings of a global secondary index for a global table that will be modified.
  @return Returns a reference to this object so that method calls can be chained together.