export declare const PROJECTION_KEY = "pixels";
export declare const PROJECTION_M_TO_NM = 1000000000;
export declare const PROJECTION_NM_TO_M = 1e-9;
export declare const ZOOMBOX_ID = "zoombox";
export declare const VIEW_MOVED_BY = "movedBy";
export declare const NPP_MIN_RANGE_FACTOR = 0.75;
export declare const NPP_MAX_RANGE_FACTOR = 1.5;