code: @SneakyThrows
      protected boolean createUserResource(final Principal p, final Credential credential) {
          val user = new UserResource();
          this.mapper.map(user, p, credential);
          return scimService.create("Users", user) != null;
      }
docs: Create user resource boolean.
  
  @param p          the p
  @param credential the credential
  @return the boolean