/** Error codes for server-side policy rejections.
 *
 * These are returned by the server as structured 403 JSON responses.
 * Use a switch statement on `code` to display translated or custom messages.
 */
export type PolicyErrorCode = 'USER_NOT_REGISTERED' | 'USER_NOT_ACCEPTED' | 'NO_SEATS_AVAILABLE' | 'USER_DEACTIVATED' | 'WEBHOOK_ERROR';
export interface PolicyErrorBody {
    code: PolicyErrorCode;
    message: string;
}
/** Thrown when the server rejects a user due to a policy rule.
 *
 * Unlike a generic 403, this error carries a machine-readable `code` so that
 * the addon can convert it into a DXCUserInteraction challenge rather than
 * simply throwing.
 */
export declare class PolicyRejectionError extends Error {
    readonly code: PolicyErrorCode;
    constructor(body: PolicyErrorBody);
    get name(): string;
}
/** Returns true when a plain fetch Response contains a structured PolicyError body. */
export declare function isPolicyErrorBody(value: unknown): value is PolicyErrorBody;