export declare const DEFAULT_EPS = 0.000001;
/**
 * Internal use only. **Do NOT use in user land code!**
 *
 * @internal
 */
export declare const SEMAPHORE: unique symbol;
/**
 * No-effect placeholder function.
 */
export declare const NO_OP: () => void;
/**
 * Catch-all event ID
 */
export declare const EVENT_ALL = "*";
export declare const EVENT_ENABLE = "enable";
export declare const EVENT_DISABLE = "disable";
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