import { type BudgetDimension, type BudgetEvent, type WorkflowBudget, type WorkflowBudgetPatch, type WorkflowBudgetUsage, type AgentAccounting, type RunState } from "./types.js";
export declare function validateBudget(value: unknown): WorkflowBudget | undefined;
export declare function validateBudgetPatch(value: unknown): WorkflowBudgetPatch;
export declare function budgetUsage(value?: Partial<WorkflowBudgetUsage>): WorkflowBudgetUsage;
export declare class WorkflowBudgetRuntime {
    #private;
    readonly budget: WorkflowBudget | undefined;
    readonly version: number;
    constructor(budget: WorkflowBudget | undefined, version?: number, usage?: Partial<WorkflowBudgetUsage>, events?: readonly BudgetEvent[], options?: {
        now?: () => number;
        onChange?: () => void;
        active?: boolean;
    });
    get usage(): WorkflowBudgetUsage;
    get events(): readonly BudgetEvent[];
    get hardExhausted(): boolean;
    checkAgentLaunch(): void;
    beforeAttempt(): void;
    beforeTurn(): void;
    afterTurn(accounting: AgentAccounting, final: boolean): void;
    instruction(agentId?: string): string | undefined;
    forAgent(agentId: string): {
        beforeAttempt: () => void;
        beforeTurn: () => void;
        afterTurn: (accounting: AgentAccounting, final: boolean) => void;
        instruction: () => string | undefined;
    };
    transition(state: RunState): void;
    recordEvent(event: BudgetEvent): void;
    snapshot(): {
        usage: WorkflowBudgetUsage;
        budgetEvents: readonly BudgetEvent[];
    };
}
export declare function mergeBudget(budget: WorkflowBudget | undefined, patch: WorkflowBudgetPatch): WorkflowBudget | undefined;
export declare function budgetRelaxed(previous: WorkflowBudget | undefined, next: WorkflowBudget | undefined): boolean;
export declare function exhaustedBudgetDimensions(budget: WorkflowBudget | undefined, usage: WorkflowBudgetUsage): BudgetDimension[];
export declare function resumeBudgetAllowed(budget: WorkflowBudget | undefined, usage: WorkflowBudgetUsage): boolean;