import { SqsConfig } from "./config";
import { R4ServerData } from "./ServerDataTypes";
import { R4Message } from "./R4Message";
export interface Sqs {
    processOneMessage(handler: (message: any) => Promise<void>): Promise<void>;
}
export declare class StubSqs implements Sqs {
    constructor();
    private messageQueue;
    processOneMessage(handler: (message: any) => Promise<void>): Promise<void>;
    enqueueMessage(message: object): void;
}
export declare class RealSqs implements Sqs {
    private readonly licenceKeyData;
    private readonly sqs;
    constructor(licenceKeyData: R4ServerData);
    processOneMessage(messageHandler: (message: R4Message) => Promise<void>): Promise<void>;
}
export declare function buildSqs(config: SqsConfig, licenceKeyData: R4ServerData): Sqs;