Interface Check

interface Check {
    alias: string;
    apdex_t: number;
    created_at: string;
    custom_headers: CustomHeaders;
    disabled_locations: string[];
    domain?: {
        expires_at: string;
        remaining_days: number;
        source: string;
        tested_at: string;
    };
    down: boolean;
    down_since: string
    | null;
    enabled: boolean;
    error: string | null;
    favicon_url: string | null;
    http_body: string;
    http_verb: string;
    last_check_at: string;
    last_status: number | null;
    mute_until: string | null;
    next_check_at: string;
    period: number;
    published: boolean;
    recipients: string[];
    ssl: {
        error: string | null;
        expires_at?: string;
        tested_at: string;
        valid: boolean;
    };
    string_match: string;
    token: string;
    type: string;
    up_since: string
    | null;
    uptime: number;
    url: string;
}