/**
 * Reading an arbitrary thrown value, which TypeScript types as `unknown` and
 * may not be an `Error` at all. Shared across the host and every provider
 * package instead of each one carrying its own copy.
 */
export interface ErrorInfo {
    message: string;
    stack?: string;
}
/** The message of an arbitrary thrown value, for wrapping into a typed error. */
export declare function errorMessage(error: unknown): string;
export declare function errorInfo(error: unknown): ErrorInfo;
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