/// <reference types="node" />
import { ZlibOptions } from 'zlib';
import MemcacheRequest = require('./request');
import MemcacheResponse = require('./response');
import MemcacheError = require('./error');
export interface CommandCallback<T> {
  (error?: MemcacheError, response?: T): void;
}
export interface Flow<T, U> {
  (arg: T, callback: CommandCallback<U>): void;
}
export interface Encoder {
  (request: MemcacheRequest, callback: CommandCallback<MemcacheRequest>): void;
}
export interface Decoder {
  <T>(
    response: MemcacheResponse<any>,
    callback: CommandCallback<MemcacheResponse<T>>
  ): void;
}
export interface Get {
  <T>(
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView
  ): Promise<MemcacheResponse<T>>;
  <T>(
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    callback: CommandCallback<MemcacheResponse<T>>
  ): void;
}
export interface Gat {
  <T>(
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    ttl: number | Date
  ): Promise<MemcacheResponse<T>>;
  <T>(
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    ttl: number | Date,
    callback: CommandCallback<MemcacheResponse<T>>
  ): void;
}
export interface Touch {
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    ttl: number | Date
  ): Promise<MemcacheResponse<void>>;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    ttl: number | Date,
    callback: CommandCallback<MemcacheResponse<void>>
  ): void;
}
export interface Del {
  (key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView): Promise<
    MemcacheResponse<void>
  >;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    callback: CommandCallback<MemcacheResponse<void>>
  ): void;
}
export interface Flush {
  (ttl?: number | Date): Promise<MemcacheResponse<void>>;
  (callback: CommandCallback<MemcacheResponse<void>>): void;
  (ttl: number | Date, callback: CommandCallback<MemcacheResponse<void>>): void;
}
export interface Version {
  (callback: CommandCallback<string>): void;
  (): Promise<string>;
}
export interface Stat {
  (
    key?: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView
  ): Promise<{
    [property: string]: string;
  }>;
  (
    callback: CommandCallback<{
      [property: string]: string;
    }>
  ): void;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    callback: CommandCallback<{
      [property: string]: string;
    }>
  ): void;
}
export interface AppendPrepend {
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    cas?: Buffer | MemcacheResponse
  ): Promise<MemcacheResponse<void>>;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    callback: CommandCallback<MemcacheResponse<void>>
  ): void;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    cas: Buffer | MemcacheResponse,
    callback: CommandCallback<MemcacheResponse<void>>
  ): void;
}
export interface SetReplace {
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    ttl?: number | Date
  ): Promise<MemcacheResponse<void>>;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    options?: {
      ttl?: number | Date;
      flags?: number;
      cas?: Buffer | MemcacheResponse;
    }
  ): Promise<MemcacheResponse<void>>;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    callback: CommandCallback<MemcacheResponse<void>>
  ): void;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    ttl: number | Date,
    callback: CommandCallback<MemcacheResponse<void>>
  ): void;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    options: {
      ttl?: number | Date;
      flags?: number;
      cas?: Buffer | MemcacheResponse;
    },
    callback: CommandCallback<MemcacheResponse<void>>
  ): void;
}
export interface Add {
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    ttl?: number | Date
  ): Promise<MemcacheResponse<void>>;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    options?: {
      ttl?: number | Date;
      flags?: number;
    }
  ): Promise<MemcacheResponse<void>>;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    callback: CommandCallback<MemcacheResponse<void>>
  ): void;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    ttl: number | Date,
    callback: CommandCallback<MemcacheResponse<void>>
  ): void;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    value: any,
    options: {
      ttl?: number | Date;
      flags?: number;
    },
    callback: CommandCallback<MemcacheResponse<void>>
  ): void;
}
export interface IncrDecr {
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    amount: number,
    ttl?: number | Date
  ): Promise<MemcacheResponse<number>>;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    amount: number,
    options?: {
      ttl?: number | Date;
      initial?: number;
      cas?: Buffer | MemcacheResponse;
    }
  ): Promise<MemcacheResponse<number>>;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    amount: number,
    callback: CommandCallback<MemcacheResponse<number>>
  ): void;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    amount: number,
    ttl: number | Date,
    callback: CommandCallback<MemcacheResponse<number>>
  ): void;
  (
    key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView,
    amount: number,
    options: {
      ttl?: number | Date;
      initial?: number;
      cas?: Buffer | MemcacheResponse;
    },
    callback: CommandCallback<MemcacheResponse<number>>
  ): void;
}
export interface MemcacheOptions {
  port?: number;
  host?: string;
  path?: string;
  queueSize?: number;
  maxKeySize?: number;
  maxValueSize?: number;
  connectTimeout?: number;
  multiResponseOpCodes?: number[];
  retries?: number;
  minDelay?: number;
  maxDelay?: number;
  backoff?: (attempt: number) => number;
  username?: string;
  password?: string;
  commandTimeout?: number;
  ttl?: number;
  compression?: Partial<CompressionOptions> | false;
  serialization?: Partial<SerializationOptions> | false;
}
export interface MemcacheRequestOptions {
  opcode: number;
  key: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView;
  value: string | Buffer | ArrayBuffer | SharedArrayBuffer | DataView;
  amount: number;
  ttl: number | Date;
  cas: Buffer | MemcacheResponse;
  flags: number;
  initial: number;
}
export interface CompressionOptions {
  flag: number;
  options: ZlibOptions;
  threshold: number;
  compress: (
    buf: Buffer,
    options?: any,
    callback?: (error: Error | null, result: Buffer) => void
  ) => void;
  decompress: (
    buf: Buffer,
    options?: any,
    callback?: (error: Error | null, result: Buffer) => void
  ) => void;
}
export interface SerializationOptions {
  stringFlag: number;
  jsonFlag: number;
  binaryFlag: number;
  numberFlag: number;
  serialize: (value: any, options?: any) => Buffer | string;
  deserialize: (value: string, options?: any) => any;
}