declare namespace FG {
  interface Session {
    expires: Date;
    token: string;
    lifetime: number;
    browser: string;
    platform: string;
    userid: string;
  }
  interface User {
    userid: string;
    display_name: string;
    firstname: string;
    lastname: string;
    mail: string;
    birthday?: Date;
    roles: Array<string>;
    permissions?: Array<Permission>;
    avatar_url?: string;
  }
  type Permission = string;
  interface Role {
    id: number;
    name: string;
    permissions: Array<Permission>;
  }
  interface Transaction {
    id: number;
    time: Date;
    amount: number;
    reversal_id: number;
    sender_id?: string;
    receiver_id?: string;
    author_id?: string;
    original_id?: number;
  }
  interface Event {
    id: number;
    start: Date;
    end: Date;
    description?: string;
    type: EventType;
    jobs: Array<Job>;
  }
  interface EventType {
    id: number;
    name: string;
  }
  interface Job {
    id: number;
    start: Date;
    end?: Date;
    comment: string;
    type: JobType;
    services: Array<Service>;
    required_services: number;
  }
  interface JobType {
    id: number;
    name: string;
  }
  interface Service {
    userid: string;
    value: number;
  }
  interface Drink {
    id: number;
    name: string;
    volume: number;
    cost_price: number;
    discount: number;
    extra_charge?: any;
    prices: Array<DrinkPrice>;
    ingredients: Array<Ingredient>;
  }
  interface DrinkPrice {
    id: number;
    volume: number;
    price: number;
    description?: any;
    round_step: number;
  }
  interface DrinkType {
    id: number;
    name: string;
  }
  interface Ingredient {
    id: number;
    volume: number;
    parent_id: number;
    ingredient_id: number;
  }
  interface Tag {
    id: number;
    name: string;
  }
}