import { type NetworkError, type Result } from "../../types/error";
/**
 * Sets attributes on the current user/contact.
 *
 * Attribute types are determined by the JavaScript value type:
 * - String values \> string attribute
 * - Number values \> number attribute
 * - Date objects \> date attribute (converted to ISO string)
 * - ISO 8601 date strings \> date attribute
 *
 * On first write to a new attribute, the type is set based on the JS value type.
 * On subsequent writes, the value must match the existing attribute type.
 *
 * @param attributes - Key-value pairs where values can be strings, numbers, or Date objects
 */
export declare const setAttributes: (attributes: Record<string, string | number | Date>) => Promise<Result<void, NetworkError>>;
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