code: function createSharedPolicy (params, cb) {
        let promise = null
        if (typeof cb !== 'function') [promise, cb] = asyncify()
  
        Joi.validate(params, validationRules.createSharedPolicy, function (err) {
          if (err) return cb(Boom.badRequest(err))
  
          const { id, version, name, statements } = params
  
          insertSharedPolicies(db, [{
            id: id,
            version: version,
            name: name,
            statements: statements
          }], (err, result) => {
            if (utils.isUniqueViolationError(err)) return cb(Boom.conflict('policy already exists'))
            if (err) return cb(err)
  
            policyOps.readSharedPolicy({ id: result.rows[0].id }, cb)
          })
        })
  
        return promise
      }
docs: Creates a new shared policy
  
  @param  {Object}   params { id, version, name, statements }
  @param  {Function} cb