code: public CredentialResultsInner listClusterAdminCredentials(String resourceGroupName, String resourceName) {
          return listClusterAdminCredentialsWithServiceResponseAsync(resourceGroupName, resourceName).toBlocking().single().body();
      }
docs: Gets cluster admin credential of a managed cluster.
  Gets cluster admin credential of the managed cluster with a specified resource group and name.
  
  @param resourceGroupName The name of the resource group.
  @param resourceName The name of the managed cluster resource.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the CredentialResultsInner object if successful.