export declare const CANVAS_RESIZE_POINTERS: Set<string>;
export declare const ARROW_LINE_DEFAULT_THETA = 30;
export declare const ARROW_LINE_DEFAULT_SLASH_LENGTH = 10;
export declare const ARROW_HIT_TOLERANCE = 8;
export declare const MOSAIC_PEN_OFFSET = 10;
export declare const TOOL_HANDLE_RADIUS_MULTIPLIER = 2;