export interface HistoryRecord {
    min?: number;
    hr?: number;
    dow?: string;
    dom?: number;
    mon?: number;
    yr?: number;
    imp?: number;
    exp?: number;
    gep?: number;
    gen?: number;
    h1d?: number;
    h1b?: number;
    h2d?: number;
    h2b?: number;
    h3d?: number;
    h3b?: number;
    pect1?: number;
    nect1?: number;
    pect2?: number;
    nect2?: number;
    pect3?: number;
    nect3?: number;
    v1?: number;
    frq?: number;
    pst?: string;
}