import { DeadLetter, DeadLettersListener } from "../DeadLetters.js";
export declare class TestDeadLettersListener implements DeadLettersListener {
    private deadLetters;
    handle(deadLetter: DeadLetter): void;
    count(): number;
    all(): DeadLetter[];
    latest(): DeadLetter | undefined;
    first(): DeadLetter | undefined;
    clear(): void;
    findByRepresentation(pattern: string): DeadLetter[];
    hasDeadLetters(): boolean;
}
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