code: public ServiceFuture<PolicyDefinitionInner> getBuiltInAsync(String policyDefinitionName, final ServiceCallback<PolicyDefinitionInner> serviceCallback) {
          return ServiceFuture.fromResponse(getBuiltInWithServiceResponseAsync(policyDefinitionName), serviceCallback);
      }
docs: Gets the built in policy definition.
  
  @param policyDefinitionName The name of the built in policy definition to get.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object