export namespace Statement {
    export type Driver = 'redis' | 'memory'
    export interface IMemoryMap {
        time: number
        data: Array<number | Date>
    }
    export type IMap = Map<string, IMemoryMap>
    export interface IError {
        code: number
        msg: string
        [key: string]: any
    }
    export type IRoster = (ctx: any) => boolean | undefined
    export interface ILimit {
        //100 calls at most in 60 * 1000ms
        max: number
        duration: number
        //memory or redis
        driver?: Driver
        //namespace
        namespace?: string
        //error response
        error?: IError
        //blacklist
        black?: IRoster
        //whitelist
        white?: IRoster
        //If it is redis, it can be ignored
        db?: IMap | any
    }
    export interface Config extends ILimit {
        //id unique identification
        id: (ctx: any) => string
    }
}