import { ReassembleContext } from './interfaces';
export declare function cartesian(a: any[], b: any[]): any[];
export declare function notEmpty<T>(value: T | null | undefined): value is T;
export declare function getAssembledReply(ctx: ReassembleContext | null): string | null;
export declare function getAssembledReply(ctx: ReassembleContext | null, defaultMsg: string): string;
export declare function getAssembledContext(ctx?: ReassembleContext | null): {
    reassembled: string;
    annotations: {
        [annotate: string]: string;
    };
} | null;