export declare class SupabaseAuthManager {
    private readonly supabaseUrl;
    private readonly anonKey;
    private readonly cache;
    constructor();
    isEnabled(): boolean;
    authenticateAccessToken(token: string): Promise<{
        subject: string;
        scopes: string[];
    } | null>;
    private fetchUser;
    private resolveScopes;
    private pruneExpired;
}
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