import { Inputs } from "./inputs";
import { ActionProcessor } from "./actionProcessor";
/**
 * Create a new Actionhero Action. The required properties of an action. These can be defined statically (this.name) or as methods which return a value.
 *```js
 * const { Action } = require('actionhero')
 * module.exports = class RandomNumber extends Action {
 *  constructor () {
 *    super()
 *    this.name = 'randomNumber'
 *    this.description = 'I am an API method which will generate a random number'
 *    this.outputExample = { randomNumber: 0.1234 }
 *  }
 *  async run ({ response }) {
 *    response.randomNumber = Math.random()
 *  }
 *}
 *```
 */
export declare abstract class Action {
    /**The name of the Action*/
    name: string;
    /**The description of the Action (default this.name)*/
    description: string;
    /**The version of this Action (default: 1) */
    version: number | string;
    outputExample: object;
    /**The inputs of the Action (default: {}) */
    inputs: Inputs;
    /**The Middleware specific to this Action (default: []).  Middleware is described by the string names of the middleware. */
    middleware: Array<string>;
    /**Are there connections from any servers which cannot use this Action (default: [])? */
    blockedConnectionTypes: Array<string>;
    /**Under what level should connections to this Action be logged (default 'info')? */
    logLevel: string;
    /**If this Action is responding to a `web` request, and that request has a file extension like *.jpg, should Actionhero set the response headers to match that extension (default: true)? */
    matchExtensionMimeType: boolean;
    /**Should this Action appear in api.documentation.documentation? (default: true)? */
    toDocument: boolean;
    constructor();
    /**
     * The main "do something" method for this action.  It can be `async`.  Usually the goal of this run method is to set properties on `data.response`.  If error is thrown in this method, it will be logged, caught, and appended to `data.response.error`
     * @param data The data about this connection, response, and params.
     */
    abstract run(data: ActionProcessor): Promise<void>;
    private defaults;
    validate(): void;
}