import type { Json } from "@metamask/utils";
export declare const SNAP_ERROR_CODE = -31002;
export declare const SNAP_ERROR_MESSAGE = "Snap Error";
/**
 * Get the error message from an unknown error type.
 *
 * - If the error is an object with a `message` property, return the message.
 * - Otherwise, return the error converted to a string.
 *
 * @param error - The error to get the message from.
 * @returns The error message.
 * @internal
 */
export declare function getErrorMessage(error: unknown): string;
/**
 * Get the error stack from an unknown error type.
 *
 * @param error - The error to get the stack from.
 * @returns The error stack, or undefined if the error does not have a valid
 * stack.
 * @internal
 */
export declare function getErrorStack(error: unknown): string | null;
/**
 * Get the error name from an unknown error type.
 *
 * @param error - The error to get the name from.
 * @returns The error name, or `'Error'` if the error does not have a valid
 * name.
 */
export declare function getErrorName(error: unknown): string;
/**
 * Get the error code from an unknown error type.
 *
 * @param error - The error to get the code from.
 * @returns The error code, or `-32603` if the error does not have a valid code.
 * @internal
 */
export declare function getErrorCode(error: unknown): number;
/**
 * Get the error cause from an unknown error type.
 *
 * @param error - The error to get the cause from.
 * @returns The error cause, or `null` if the error does not have a valid
 * cause.
 */
export declare function getErrorCause(error: unknown): unknown;
/**
 * Get the error data from an unknown error type.
 *
 * @param error - The error to get the data from.
 * @returns The error data, or an empty object if the error does not have valid
 * data.
 * @internal
 */
export declare function getErrorData(error: unknown): Record<string, Json>;
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