import { TMat2D } from './typedefs';
export declare const VERSION: string;
export declare function noop(): void;
export declare const halfPI: number;
export declare const twoMathPi: number;
export declare const PiBy180: number;
export declare const iMatrix: TMat2D;
export declare const DEFAULT_SVG_FONT_SIZE = 16;
export declare const ALIASING_LIMIT = 2;
export declare const kRect: number;
export declare const LEFT_CLICK = 1;
export declare const MIDDLE_CLICK = 2;
export declare const RIGHT_CLICK = 3;
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