export interface GridEditHistory {
    date: Date;
    type: string;
    grid: string;
}
export interface Point {
    x: number;
    y: number;
}
export interface GridContextPoint extends Point {
    x0: number;
    y0: number;
    which: 'left' | 'right';
    state: 0 | 1 | 2;
    snapshot: string;
    pending?: boolean;
}