declare const showCompletions: (shellType: BuiltInOptions.ShellType) => BuiltInOptions

declare const showHelp: (usage: Usage, helpDoc: HelpDoc) => BuiltInOptions

declare const showVersion: BuiltInOptions

declare const showWizard: (command: Command<unknown>) => BuiltInOptions

type BuiltInOptions = SetLogLevel | ShowHelp | ShowCompletions | ShowWizard | ShowVersion

export interface SetLogLevel {
  readonly _tag: "SetLogLevel"
  readonly level: LogLevel
}

export interface ShowCompletions {
  readonly _tag: "ShowCompletions"
  readonly shellType: BuiltInOptions.ShellType
}

export interface ShowHelp {
  readonly _tag: "ShowHelp"
  readonly usage: Usage
  readonly helpDoc: HelpDoc
}

export interface ShowVersion {
  readonly _tag: "ShowVersion"
}

export interface ShowWizard {
  readonly _tag: "ShowWizard"
  readonly command: Command<unknown>
}

declare const builtInOptions: <A>(
  command: Command<A>,
  usage: Usage,
  helpDoc: HelpDoc
) => Options<Option<BuiltInOptions>>

declare const isShowCompletions: (self: BuiltInOptions) => self is ShowCompletions

declare const isShowHelp: (self: BuiltInOptions) => self is ShowHelp

declare const isShowVersion: (self: BuiltInOptions) => self is ShowVersion

declare const isShowWizard: (self: BuiltInOptions) => self is ShowWizard

type ShellType = "bash" | "fish" | "zsh"