import type { CompletionRequest } from '../types/messages.js';
import type { OptimizationResult, TokenOptimizerConfig } from '../types/optimizer.js';
/** Applies densification and the token budget to a request, reporting what each did. */
export declare class TokenOptimizer {
    private config;
    private tokenizer;
    private densifier;
    private budget;
    constructor(config?: TokenOptimizerConfig);
    /** Optimizes a request. */
    optimize(request: CompletionRequest): OptimizationResult<CompletionRequest>;
}
export { PromptDensifier } from './densifier.js';
export { BudgetEnforcer, TokenBudgetError } from './budget.js';