export type GatewayCommandSendOutcome = "cancelled" | "queue-full" | "queue-timeout" | "sent" | "unavailable";
export type GatewayControlSendOutcome = "exhausted" | "sent" | "unavailable";
export interface GatewayOutboundBudgetScheduler {
    clearTimeout(handle: unknown): void;
    setTimeout(handler: () => void, milliseconds: number): unknown;
}
export interface GatewayOutboundBudgetOptions {
    clock?: () => number;
    scheduler: GatewayOutboundBudgetScheduler;
    write: (serialized: string) => boolean;
}
export interface GatewayOutboundBudgetSnapshot {
    eventsInWindow: number;
    queuedCommands: number;
    timerActive: boolean;
}
export declare class GatewayOutboundBudget {
    #private;
    constructor(options: GatewayOutboundBudgetOptions);
    get snapshot(): GatewayOutboundBudgetSnapshot;
    reset(): void;
    sendControl(serialized: string): GatewayControlSendOutcome;
    sendCommand(serialized: string, signal?: AbortSignal): Promise<GatewayCommandSendOutcome>;
}
//# sourceMappingURL=gateway-outbound-budget.d.ts.map