import type { User } from '../types/auth';
import { UserRole } from '../types/auth';
/**
 * Normalizes backend role strings (e.g. Spring `ROLE_ADMIN`) to `UserRole`.
 * Trims, lowercases, strips a leading `role_` prefix (case-insensitive on the literal `ROLE_` / `role_` form).
 */
export declare function normalizeRoleToUserRole(role: unknown): UserRole;
export declare function pickPrimaryUserRole(roles: UserRole[]): UserRole;
export declare function normalizeAndDedupeRoles(rawRoles: unknown[] | null | undefined): UserRole[];
export declare function mapAuthSessionToUser(session: {
    data?: {
        id?: number | string;
        username?: string;
        jwtToken?: string;
        refreshToken?: string;
        roles?: unknown[];
    };
}): User;
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