/**
 * Checks if the error could be a networking timeout error.
 * @param err The error to check.
 * @returns True if the error is a networking timeout error, false otherwise.
 */
export declare function couldBeNetworkingTimeoutError(err: unknown): boolean;
/**
 * Checks if the error could be a temporary networking error.
 * @param err The error to check.
 * @returns True if the error is a temporary networking error, false otherwise.
 */
export declare function couldBeTemporaryNetworkingError(err: unknown): boolean;
/**
 * Checks if the error could be a server error.
 * @param err The error to check.
 * @returns True if the error is a server error, false otherwise.
 */
export declare function couldBeServerError(err: unknown): boolean;
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