import type { SessionTokenBudget } from '../store/budget/ledger.js';
import { ProviderError } from '../types/provider/errors.js';
import type { LLMProvider } from '../types/provider/index.js';
export declare class TokenBudgetAdmissionError extends ProviderError {
    constructor();
}
/** Account for the observed response once, including advisory/compaction calls.
 * The marker is durable before contacting the provider. A broken or abandoned
 * stream retains its marker: an absent receipt cannot establish zero spend.
 * Driver-internal retries remain one request whose billing the driver reports.
 */
export declare function withTokenBudget(provider: LLMProvider, budget: SessionTokenBudget): LLMProvider;
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