export interface ErrorSourceEvent {
    name?: string;
    message: string;
    source?: string;
    line?: number;
    col?: number;
    error?: unknown;
}
type ErrorListener = (event: ErrorSourceEvent) => void;
declare class ErrorSource {
    private listeners;
    private originalOnError;
    private installedOnError;
    private rejectionHandler;
    private hooked;
    subscribe(listener: ErrorListener): () => void;
    private hook;
    private unhook;
    private emit;
}
export declare const errorSource: ErrorSource;
export {};
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