code: public CreateDBClusterEndpointRequest withStaticMembers(String... staticMembers) {
          if (this.staticMembers == null) {
              setStaticMembers(new com.amazonaws.internal.SdkInternalList<String>(staticMembers.length));
          }
          for (String ele : staticMembers) {
              this.staticMembers.add(ele);
          }
          return this;
      }
docs: <p>
  List of DB instance identifiers that are part of the custom endpoint group.
  </p>
  <p>
  <b>NOTE:</b> This method appends the values to the existing list (if any). Use
  {@link #setStaticMembers(java.util.Collection)} or {@link #withStaticMembers(java.util.Collection)} if you want
  to override the existing values.
  </p>
  
  @param staticMembers
  List of DB instance identifiers that are part of the custom endpoint group.
  @return Returns a reference to this object so that method calls can be chained together.