export interface Holiday {
    kind?: string;
    etag?: string;
    id?: string;
    status?: string;
    htmlLink?: string;
    created?: string;
    updated?: string;
    summary?: string;
    start: {
        date?: string;
    };
    end: {
        date?: string;
    };
    transparency?: string;
    visibility?: string;
    iCalUID?: string;
    sequence?: number;
}