export declare const UMB_CONTEXT_REQUEST_EVENT_TYPE = "umb:context-request";
export declare const UMB_DEBUG_CONTEXT_EVENT_TYPE = "umb:debug-contexts";
export type UmbContextCallback<T> = (instance: T | undefined) => void;
/**
 * @interface UmbContextRequestEvent
 */
export interface UmbContextRequestEvent<ResultType = unknown> extends Event {
    readonly contextAlias: string;
    readonly apiAlias: string;
    readonly callback: (context: ResultType) => boolean;
    readonly stopAtContextMatch: boolean;
    clone(): UmbContextRequestEvent<ResultType>;
}
/**
 * @class UmbContextRequestEventImplementation
 * @augments {Event}
 * @implements {UmbContextRequestEvent}
 */
export declare class UmbContextRequestEventImplementation<ResultType = unknown> extends Event implements UmbContextRequestEvent<ResultType> {
    readonly contextAlias: string;
    readonly apiAlias: string;
    readonly callback: (context: ResultType) => boolean;
    readonly stopAtContextMatch: boolean;
    constructor(contextAlias: string, apiAlias: string, callback: (context: ResultType) => boolean, stopAtContextMatch?: boolean);
    clone(): UmbContextRequestEventImplementation<ResultType>;
}
export declare class UmbContextDebugRequest extends Event {
    readonly callback: any;
    constructor(callback: any);
}