/**
 * The `UNINITIALIZED` symbol represents a special internal value that can be used to differentiate
 * between any user-supplied value and the state of being uninitialized.
 *
 * You do not **need** to import `@starbeam/shared` to get this symbol, as it is specified using
 * `Symbol.for`.
 */
declare const UNINITIALIZED: unique symbol;
type UNINITIALIZED = typeof UNINITIALIZED;
/**
 * The `REACTIVE` symbol is the protocol entry point for reactive values. Implementations of
 * the `ReactiveProtocol` interface specify their reactive behavior under this symbol.
 */
declare const REACTIVE: unique symbol;
type REACTIVE = typeof REACTIVE;
/**
 * The `NOW` symbol is the name on `globalThis` that is used to store the current timestamp.
 */
declare const COORDINATION: unique symbol;
type COORDINATION = typeof COORDINATION;
/**
 * Get a fresh unique ID.
 */
declare function getID(): string | number;
/**
 * Get the current timestamp.
 */
declare function now(): number;
/**
 * Increment the current timestamp, and return the new one.
 */
declare function bump(): number;
export { COORDINATION, REACTIVE, UNINITIALIZED, getID, bump, now };
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