code: public java.util.List<EntityDetails> getEntityDetailsList() {
          if (entityDetailsList == null) {
              entityDetailsList = new com.amazonaws.internal.SdkInternalList<EntityDetails>();
          }
          return entityDetailsList;
      }
docs: <p>
  An <code>EntityDetailsList</code> object that contains details about when an IAM entity (user or role) used group
  or policy permissions in an attempt to access the specified AWS service.
  </p>
  
  @return An <code>EntityDetailsList</code> object that contains details about when an IAM entity (user or role)
  used group or policy permissions in an attempt to access the specified AWS service.