import { Worker } from "./workers";
import { Project } from "./projects";
/**
 * An event received by Brigade that resulted in triggering an event handler.
 */
export interface Event {
    /** A unique identifier for the event. */
    id: string;
    /** The project that registered the handler being called for the event. */
    project: Project;
    /** The unique identifier of the gateway which created the event. */
    source: string;
    /** The type of event. Values and meanings are source-specific. */
    type: string;
    /** Event's type disambiguators. */
    qualifiers?: {
        [key: string]: string;
    };
    /** Supplementary Event details. */
    labels?: {
        [key: string]: string;
    };
    /** A short title for the event, suitable for display in space-limited UI such as lists. */
    shortTitle?: string;
    /** A detailed title for the event. */
    longTitle?: string;
    /** The content of the event. This is source- and type-specific. */
    payload?: string;
    /** The Brigade worker assigned to handle the event. */
    worker: Worker;
}
/** The type of the procedure to handle an Event. */
export declare type EventHandler = (event: Event) => void;
/**
 * Contains event handler registrations for a script.
 *
 * Access the registry through the global `events` object.
 */
export declare class EventRegistry {
    protected handlers: {
        [key: string]: EventHandler;
    };
    /**
     * Registers a handler to be run when a particular kind of event occurs.
     * When Brigade receives a matching event, it will run the specified
     * handler.
     *
     * Possible event sources depend on the gateways configured in your Brigade
     * system, and possible event types depend on the gateway. See the Brigade
     * and gateway documentation for details.
     *
     * @param eventSource The event source (gateway) to register the handler for
     * @param eventType The event type to register the handler for
     * @param eventHandler The handler to run when an event with the given source and
     * type occurs
     */
    on(eventSource: string, eventType: string, eventHandler: EventHandler): this;
    process(): void;
    protected fire(event: Event): string | void;
    private newUUID;
}
/** Contains event handler registrations for a script. */
export declare const events: EventRegistry;