Interface ZoomBackend

interface ZoomBackend {
    chart_brush?(
        mode: number,
        ax: number,
        ay: number,
        bx: number,
        by: number,
    ): boolean;
    chart_clear_hover?(): void;
    chart_clear_selection?(): void;
    chart_zoom_box?(ax: number, ay: number, bx: number, by: number): boolean;
    chart_zoom_history?(): number[] | Uint32Array<ArrayBufferLike>;
    chart_zoom_history_clear?(): void;
    chart_zoom_history_push?(): void;
    chart_zoom_history_trim?(): void;
    chart_zoom_redo?(): boolean;
    chart_zoom_undo?(): boolean;
    chart_zoom_x?(factor: number, anchorNdcX: number): void;
    chart_zoom_y?(factor: number, anchorNdcY: number): boolean;
}