export declare class FeatureFlagPermissionError extends Error {
    statusCode: number;
    constructor(message: string, statusCode: number);
}
export declare function isFeatureFlagAdminEmail(email: string | undefined): boolean;
export declare function requireFeatureFlagManager(scope: {
    userEmail?: string;
    orgId?: string | null;
}): Promise<{
    email: string;
    orgId: string | null;
}>;