import * as Joi from 'joi';
import { IContext, IActionHandlerMetadata, IDelegatedParameters } from '../interfaces';
import { ActionSnapshot } from './ActionSnapshot';
import { ActionProcessor } from './ActionProcessor';
/**
 * Context variables resolver
 */
export declare abstract class ActionHandler {
    /**
     * Get handler metadata
     * @returns {IActionHandlerMetadata}
     */
    abstract getMetadata(): IActionHandlerMetadata;
    /**
     * Get working directory
     * @returns {string} with alternative wd to use
     * @returns {null} when original working directory should be used
     */
    getWorkingDirectory(): string | null;
    /**
     * Get action processor (should create new instance upon call)
     * @return {ActionProcessor}
     */
    getProcessor(options: any, context: IContext, snapshot: ActionSnapshot, parameters: IDelegatedParameters): ActionProcessor;
    /**
     * Validate options before processing.
     * Should throw exception on error.
     * @param options
     * @param {IContext} context
     * @param {ActionSnapshot} snapshot
     * @param parameters
     * @returns {Promise<void>}
     * Get action processor (should create new instance upon call)
     * @deprecated
     */
    validate(options: any, context: IContext, snapshot: ActionSnapshot, parameters: IDelegatedParameters): Promise<void> /** istanbul ignore next  */;
    /**
     * Get Joi schema to validate options with
     * @deprecated
     */
    getValidationSchema(): Joi.Schema | null /** istanbul ignore next  */;
    /**
     * Check if handler should be actually executed
     * @param options
     * @param {IContext} context
     * @param {ActionSnapshot} snapshot
     * @param {IDelegatedParameters} parameters
     * @deprecated
     */
    isShouldExecute(options: any, context: IContext, snapshot: ActionSnapshot, parameters: IDelegatedParameters): Promise<boolean>;
    /**
     * Execute handler
     * @param options
     * @param {IContext} context
     * @param {ActionSnapshot} snapshot
     * @param {IDelegatedParameters} parameters
     * @deprecated
     */
    execute(options: any, context: IContext, snapshot: ActionSnapshot, parameters: IDelegatedParameters): Promise<void>;
}