import { ToolPermissionContext } from '../constraint/permission.js';
import { BudgetTracker } from '../constraint/budget.js';
export interface RuntimeSession {
    sessionId: string;
    messages: string[];
    context: Record<string, unknown>;
    turnCount: number;
}
export declare class Session implements RuntimeSession {
    sessionId: string;
    messages: string[];
    context: Record<string, unknown>;
    turnCount: number;
    permissionContext: ToolPermissionContext;
    budget: BudgetTracker;
    constructor(sessionId: string, messages?: string[], context?: Record<string, unknown>, turnCount?: number, permissionContext?: ToolPermissionContext, budget?: BudgetTracker);
    addMessage(msg: string): void;
    get history(): string[];
    clear(): void;
    setContext(key: string, value: unknown): void;
    getContext(key: string): unknown;
}