import type { StoragePlugin, BudgetConfig, BudgetStatus, TokenEstimate } from './types.js';
export declare class BudgetManager {
    private storage;
    private compactedSessions;
    constructor(storage: StoragePlugin);
    configure(config: Partial<BudgetConfig>): void;
    check(sessionId: string): BudgetStatus;
    record(_sessionId: string, _bytes: number): void;
    getStatus(sessionId: string): BudgetStatus;
    getConfig(): BudgetConfig;
    estimateToolTokens(toolName: string, inputBytes: number, outputBytes: number): number;
    recordToolUsage(sessionId: string, toolName: string, inputBytes: number, outputBytes: number): void;
    getTokenEstimate(sessionId: string): TokenEstimate;
    markCompacted(sessionId: string): void;
    wasCompacted(sessionId: string): boolean;
    clearCompacted(sessionId: string): void;
}
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