/**
 * System information that can be collected from the client side
 * when sending email magic link requests
 */
export interface SystemInfo {
    browser: {
        name: string;
        userAgent: string;
        version: string;
    };
    device: {
        isDesktop: boolean;
        isMobile: boolean;
        isTablet: boolean;
        type: 'desktop' | 'mobile' | 'tablet' | 'unknown';
    };
    language: {
        all: readonly string[];
        primary: string;
    };
    metadata: {
        referrer: string;
        timestamp: string;
        url: string;
    };
    os: {
        name: string;
        platform: string;
        version: string;
    };
    screen: {
        colorDepth: number;
        height: number;
        pixelRatio: number;
        width: number;
    };
    timezone: {
        name: string;
        offset: number;
    };
    network?: {
        connectionType?: string;
        downlink?: number;
        effectiveType?: string;
        rtt?: number;
    };
}
/**
 * Collects comprehensive system information from the client
 * @returns SystemInfo object with all available system details
 */
export declare function collectSystemInfo(): SystemInfo;