export declare function normalizeError(err: unknown): Error;
export declare function getErrorMessage(err: unknown): string;
export declare function getErrorMessageWithCauses(err: unknown): string;
export declare function getErrorCode(err: unknown): unknown;
export declare function getErrorCodeOrValue(err: unknown): unknown;
export declare function getNodeErrorCode(err: unknown): string | undefined;
export declare function isErrnoException(err: unknown): err is NodeJS.ErrnoException;
export declare function getErrorProperty(err: unknown, property: PropertyKey): unknown;
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