/** LLM token counting via tiktoken-rs in the Rust core. */
export declare function countTokens(text: string): number;
export declare function countTokensBatch(texts: string[]): number[];
export declare function countJsonTokens(value: unknown): number;
export declare function configureTokenizerDefaults(options?: {
    encoding?: string;
    allowedSpecial?: "all" | "none";
}): void;
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