import type { BudgetPolicy, ProviderRouting, UsageReport } from "./types.js";
export type RuntimeBudgetEnvelopeAction = "block" | "warn" | "fallback";
export interface RuntimeBudgetEnvelopeProjection {
    requests: number;
    inputTokens: number;
    outputTokens: number;
    totalTokens: number;
    estimatedCostUsd: number;
    retries: number;
    runtimeMs: number;
}
export interface RuntimeBudgetEnvelopeViolation {
    scope: string;
    metric: "requests" | "inputTokens" | "outputTokens" | "totalTokens" | "estimatedCostUsd" | "retries" | "runtimeMs";
    actual: number;
    limit: number;
    action: RuntimeBudgetEnvelopeAction;
}
export interface RuntimeBudgetEnvelopeCheck {
    passed: boolean;
    action: RuntimeBudgetEnvelopeAction;
    appliedBudgets: string[];
    projection: RuntimeBudgetEnvelopeProjection;
    violations: RuntimeBudgetEnvelopeViolation[];
}
export interface RuntimeBudgetEnvelopeInput {
    taskId?: string;
    role?: string;
    routing: ProviderRouting;
    usage: UsageReport;
    budgets?: BudgetPolicy;
}
export declare function checkRuntimeBudgetEnvelope(input: RuntimeBudgetEnvelopeInput): RuntimeBudgetEnvelopeCheck;