export declare function updateSettings(updates: ClappSettings): void;
/**
 * Check if a key is an alias for a default action
 * @param key - The raw key which might match to an action
 * @param action - The action to match
 * @returns boolean
 */
export declare function isActionKey(key: string | Array<string | undefined>, action: Action): boolean;
declare const actions: Action[];
export declare const settings: InternalClappSettings;
/** Global settings for Clapp programs, stored in memory */
declare interface InternalClappSettings {
  actions: Set<Action>
  aliases: Map<string, Action>
  messages: {
    cancel: string
    error: string
  }
}
export declare interface ClappSettings {
  aliases?: Record<string, Action>
  messages?: {
    cancel?: string
    error?: string
  }
}
export type Action = 'up' | 'down' | 'left' | 'right' | 'space' | 'enter' | 'cancel';