/**
 * Shared Tiktoken singleton — lazy init, cached on globalThis.
 *
 * Uses dynamic import so the tokenizer is never loaded unless code actually
 * needs it. The instance is stored on globalThis so it can be reused across
 * packages without re-initializing (each init loads the full BPE rank table).
 */
import type { Tiktoken } from 'js-tiktoken/lite';
/**
 * Get or create the shared Tiktoken encoder instance.
 * Uses dynamic import so tiktoken is never loaded at module init time.
 * Cached on globalThis so the same instance is reused across packages.
 */
export declare function getTiktoken(): Promise<Tiktoken>;
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