code: public Observable<Page<ManagementLockObjectInner>> listAtResourceLevelAsync(final String resourceGroupName, final String resourceProviderNamespace, final String parentResourcePath, final String resourceType, final String resourceName, final String filter) {
          return listAtResourceLevelWithServiceResponseAsync(resourceGroupName, resourceProviderNamespace, parentResourcePath, resourceType, resourceName, filter)
              .map(new Func1<ServiceResponse<Page<ManagementLockObjectInner>>, Page<ManagementLockObjectInner>>() {
                  @Override
                  public Page<ManagementLockObjectInner> call(ServiceResponse<Page<ManagementLockObjectInner>> response) {
                      return response.body();
                  }
              });
      }
docs: Gets all the management locks for a resource or any level below resource.
  
  @param resourceGroupName The name of the resource group containing the locked resource. The name is case insensitive.
  @param resourceProviderNamespace The namespace of the resource provider.
  @param parentResourcePath The parent resource identity.
  @param resourceType The resource type of the locked resource.
  @param resourceName The name of the locked resource.
  @param filter The filter to apply on the operation.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the PagedList&lt;ManagementLockObjectInner&gt; object