import { type IntegrationScopeAccess, type IntegrationScopeKey } from "./scope-store.js";
export declare const INTEGRATION_BUDGET_COST_UNIT: "currency_micros";
export type IntegrationBudgetPeriod = "day" | "month";
export type IntegrationBudgetSubject = {
    type: "org";
    orgId: string;
} | {
    type: "user";
    userEmail: string;
} | {
    type: "scope";
    scope: IntegrationScopeKey;
};
export interface IntegrationUsageBudget {
    id: string;
    subjectType: IntegrationBudgetSubject["type"];
    subjectId: string;
    period: IntegrationBudgetPeriod;
    limitMicros: number;
    thresholdBps: number;
    ownerEmail: string;
    orgId: string | null;
    createdAt: number;
    updatedAt: number;
}
export interface IntegrationBudgetSnapshot {
    budget: IntegrationUsageBudget;
    windowStart: number;
    windowEnd: number;
    usedMicros: number;
    reservedMicros: number;
    remainingMicros: number;
    costUnit: typeof INTEGRATION_BUDGET_COST_UNIT;
}
export type IntegrationReservationStatus = "pending" | "reserved" | "denied" | "settled" | "released";
export interface IntegrationBudgetReservationResult {
    allowed: boolean;
    reservationId: string;
    status: IntegrationReservationStatus;
    estimatedCostMicros: number;
    settledCostMicros: number | null;
    thresholdEventEmitted: boolean;
    snapshot: IntegrationBudgetSnapshot;
}
export interface IntegrationBudgetThresholdEvent {
    id: string;
    budgetId: string;
    windowStart: number;
    thresholdBps: number;
    observedMicros: number;
    createdAt: number;
}
export declare const usageBudgetsStore: import("../db/store-registry.js").Store;
export declare function ensureTables(): Promise<void>;
export declare function saveIntegrationUsageBudget(input: {
    subject: IntegrationBudgetSubject;
    period: IntegrationBudgetPeriod;
    limitMicros: number;
    thresholdBps?: number;
}, accessInput: IntegrationScopeAccess): Promise<IntegrationUsageBudget>;
export declare function getIntegrationUsageBudget(budgetIdInput: string, accessInput: IntegrationScopeAccess): Promise<IntegrationUsageBudget | null>;
export declare function listIntegrationUsageBudgets(accessInput: IntegrationScopeAccess): Promise<IntegrationUsageBudget[]>;
export declare function getIntegrationBudgetSnapshot(budgetIdInput: string, accessInput: IntegrationScopeAccess, timestamp?: number): Promise<IntegrationBudgetSnapshot | null>;
export declare function reserveIntegrationUsageBudget(input: {
    budgetId: string;
    reservationId: string;
    estimatedCostMicros: number;
    timestamp?: number;
}, accessInput: IntegrationScopeAccess): Promise<IntegrationBudgetReservationResult>;
export declare function settleIntegrationUsageBudget(input: {
    budgetId: string;
    reservationId: string;
    actualCostMicros: number;
}, accessInput: IntegrationScopeAccess): Promise<IntegrationBudgetReservationResult>;
export declare function releaseIntegrationUsageBudget(input: {
    budgetId: string;
    reservationId: string;
}, accessInput: IntegrationScopeAccess): Promise<IntegrationBudgetReservationResult>;
export declare function listIntegrationBudgetThresholdEvents(budgetIdInput: string, accessInput: IntegrationScopeAccess): Promise<IntegrationBudgetThresholdEvent[]>;
export declare function _resetIntegrationUsageBudgetStoreForTests(): void;