/** Movement past this reads as a camera pan rather than a click, in CSS pixels. */
export declare const DRAG_SLOP_PX = 5;
export declare const RIGHT_BUTTON = 2;
export interface RightPress {
    x: number;
    y: number;
    moved: boolean;
}
/**
 * The right button pans the camera as well as opening the menu, so a press counts as a click only
 * while it has not moved. Duration is ignored: a pan always moves, and a slow click must still open.
 */
export declare function beginPress(x: number, y: number): RightPress;
export declare function trackPress(press: RightPress, x: number, y: number): RightPress;
export declare function opensMenu(press: RightPress | null): boolean;
export interface ViewportRect {
    left: number;
    top: number;
    right: number;
    bottom: number;
}
/**
 * The viewport owns the right button outright, so the native menu is unwanted anywhere inside it.
 * Testing the point rather than the event target catches the marker overlays too.
 */
export declare function withinViewport(rect: ViewportRect, x: number, y: number): boolean;
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