code: public ServiceFuture<PolicyAssignmentInner> deleteAsync(String scope, String policyAssignmentName, final ServiceCallback<PolicyAssignmentInner> serviceCallback) {
          return ServiceFuture.fromResponse(deleteWithServiceResponseAsync(scope, policyAssignmentName), serviceCallback);
      }
docs: Deletes a policy assignment.
  
  @param scope The scope of the policy assignment.
  @param policyAssignmentName The name of the policy assignment to delete.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object