code: public void setIdentityIdsToDelete(java.util.Collection<String> identityIdsToDelete) {
          if (identityIdsToDelete == null) {
              this.identityIdsToDelete = null;
              return;
          }
  
          this.identityIdsToDelete = new java.util.ArrayList<String>(identityIdsToDelete);
      }
docs: <p>
  A list of 1-60 identities that you want to delete.
  </p>
  
  @param identityIdsToDelete
  A list of 1-60 identities that you want to delete.