code: function find (client) {
    return function find (realmName, userId) {
      return new Promise((resolve, reject) => {
        const req = {
          auth: {
            bearer: privates.get(client).accessToken
          },
          json: true
        };
  
        req.url = `${client.baseUrl}/admin/realms/${realmName}/users/${userId}/role-mappings`;
  
        request(req, (err, resp, body) => {
          if (err) {
            return reject(err);
          }
  
          if (resp.statusCode !== 200) {
            return reject(body);
          }
  
          return resolve(body);
        });
      });
    };
  }
docs: A function to get the all the role mappings of an user
  @param {string} realmName - The name of the realm (not the realmID) where the client roles exist - ex: master
  @param {string} userId - The id of the user whose role mappings should be found
  @returns {Promise} A promise that will resolve with the Array of role mappings
  @example
  keycloakAdminClient(settings)
  .then((client) => {
  client.users.roleMappings.find(realmName, userId)
  .then((userRoleMappings) => {
  console.log(userRoleMappings)
  })
  })