import { BlockAction } from './block-action';
import { InteractiveMessage } from './interactive-message';
import { WorkflowStepEdit } from './workflow-step-edit';
import { DialogSubmitAction, DialogValidation } from './dialog-action';
import { SayFn, SayArguments, RespondFn, AckFn } from '../utilities';
import { FunctionCompleteFn, FunctionFailFn } from '../../CustomFunction';
import { FunctionInputs } from '../events';
export * from './block-action';
export * from './interactive-message';
export * from './dialog-action';
export * from './workflow-step-edit';
/**
 * All known actions from Slack's Block Kit interactive components, message actions, dialogs, and legacy interactive
 * messages.
 *
 * TODO: BlockAction's default generic parameter (ElementAction) might be too specific to allow for this type to be used
 * as a constraint on SlackActionMiddlewareArgs' Action generic parameter.
 *
 * If someone were to instantiate SlackActionMiddlewareArgs<BlockAction<SomeNewAction>>, would it work? We need it to
 * work as long as SomeNewAction implements BasicElementAction.
 *
 * We don't want to substitute BlockAction with BlockAction<BasicElementAction> here because that means the completions
 * offered when no generic parameter is bound would be limited to BasicElementAction rather than the union of known
 * actions - ElementAction.
 */
export declare type SlackAction = BlockAction | InteractiveMessage | DialogSubmitAction | WorkflowStepEdit;
/**
 * Arguments which listeners and middleware receive to process an action from Slack's Block Kit interactive components,
 * message actions, dialogs, or legacy interactive messages.
 *
 * The type parameter `Action` represents the entire JSON-encoded request body from Slack. The generic type
 * `BlockAction<ElementAction>` can be used to create a type for this parameter based on an element's action type. In
 * this case `ElementAction` must extend `BasicElementAction`.
 */
export interface SlackActionMiddlewareArgs<Action extends SlackAction = SlackAction> {
    payload: Action extends BlockAction<infer ElementAction> ? ElementAction : Action extends InteractiveMessage<infer InteractiveAction> ? InteractiveAction : Action;
    action: this['payload'];
    body: Action;
    say: Action extends Exclude<SlackAction, DialogSubmitAction | WorkflowStepEdit> ? SayFn : undefined;
    respond: RespondFn;
    ack: ActionAckFn<Action>;
    complete?: FunctionCompleteFn;
    fail?: FunctionFailFn;
    inputs?: FunctionInputs;
}
/**
 * Type function which given an action `A` returns a corresponding type for the `ack()` function. The function is used
 * to acknowledge the receipt (and possibly signal failure) of an action from a listener or middleware.
 */
declare type ActionAckFn<A extends SlackAction> = A extends InteractiveMessage ? AckFn<string | SayArguments> : A extends DialogSubmitAction ? AckFn<DialogValidation> : AckFn<void>;
//# sourceMappingURL=index.d.ts.map