export declare class TokenManager {
    private encoders;
    private static instance;
    private constructor();
    static getInstance(): TokenManager;
    countTokens(text: string, model?: string): number;
    countTokensBatch(texts: string[], model?: string): number;
    estimateTokens(text: string): number;
    truncateToTokenLimit(text: string, maxTokens: number, modelName?: string): string;
    splitIntoChunks(text: string, maxTokensPerChunk: number, overlap?: number, model?: string): string[];
    calculateCost(inputTokens: number, outputTokens: number, costPerMillionInput: number, costPerMillionOutput: number): number;
    calculateCostWithCache(inputTokens: number, outputTokens: number, cachedInputTokens: number, cacheCreationTokens: number, costPerMillionInput: number, costPerMillionOutput: number): number;
    private getEncoder;
    private mapToTiktokenModel;
    dispose(): void;
}
//# sourceMappingURL=token-manager.d.ts.map