code: public IntegrationAccountInner regenerateAccessKey(String resourceGroupName, String integrationAccountName, KeyType keyType) {
          return regenerateAccessKeyWithServiceResponseAsync(resourceGroupName, integrationAccountName, keyType).toBlocking().single().body();
      }
docs: Regenerates the integration account access key.
  
  @param resourceGroupName The resource group name.
  @param integrationAccountName The integration account name.
  @param keyType The key type. Possible values include: 'NotSpecified', 'Primary', 'Secondary'
  @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 IntegrationAccountInner object if successful.