code: public ServiceFuture<RoleAssignmentInner> deleteByIdAsync(String roleId, final ServiceCallback<RoleAssignmentInner> serviceCallback) {
          return ServiceFuture.fromResponse(deleteByIdWithServiceResponseAsync(roleId), serviceCallback);
      }
docs: Deletes a role assignment.
  
  @param roleId The ID of the role 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