import { CheckStatusFunc, InitializedStatus, MaybeUninitializedStatus, WrappedStatus, WrappedStatusE } from "../requestor";
declare type GetRequestor = (uri: string) => Promise<string>;
declare type NotifyMessage = {
    subject: string;
    text: string;
};
declare type NotifyAll = (conf: {
    sms: NotifyMessage;
    email: NotifyMessage;
}) => Promise<[void, any]>;
declare type NotificationMessage = {
    subject: string;
    text: string;
};
declare type NotificationMessageFor = {
    up: NotificationMessage;
    down: NotificationMessage;
};
declare type NotificationMessages = {
    email: NotificationMessageFor;
    sms: NotificationMessageFor;
};
declare type NotificationMessagesConfig = {
    all: NotificationMessageFor;
} & NotificationMessages;
declare type StatusName = 'up' | 'down' | 'unknown';
declare type StatusStats = {
    friendlyFullSentence: string;
    friendlyStatusPhrase: string;
    checkIntervalInMinutes: number;
    dateLastChecked: string;
    checksSpreeCount: number;
    aliveForYMDHMS: string;
    statusName: StatusName;
    errors: Error[];
};
interface StatusCheckServiceConstructorPropsInterface {
    checkStatus: CheckStatusFunc;
    checkInterval: number;
    getRequestor: GetRequestor;
    notifyAll: NotifyAll;
    onFailNotifyHoursInterval: number;
    serverUri: string;
    notificationMessages: NotificationMessagesConfig;
}
export default class StatusCheckService {
    checkInterval: number;
    userProvidedCheckStatus: CheckStatusFunc;
    lastChecked: number | null;
    lastEmailSentTime: number | null;
    notifyAll: NotifyAll;
    notificationMessages: NotificationMessages;
    onFailNotifyHoursInterval: number;
    wrappedStatus: WrappedStatusE<MaybeUninitializedStatus>;
    statusChecksCount: number;
    serverUri: string;
    constructor({ notifyAll, serverUri, checkStatus, checkInterval, onFailNotifyHoursInterval, notificationMessages }: StatusCheckServiceConstructorPropsInterface);
    run(): Promise<void>;
    statusChanged(status: InitializedStatus): boolean;
    changedStatusOrDownStatusForMoreThanOneHour(status: InitializedStatus): boolean;
    shouldNotifyCurrentStatus(status: InitializedStatus): boolean;
    getStatusFriendlyPhrase(status: MaybeUninitializedStatus): string;
    notifyServiceStatus({ status }: WrappedStatus<InitializedStatus>): Promise<void>;
    handleNewStatus(w: WrappedStatus<InitializedStatus>): Promise<void>;
    checkStatus(): Promise<WrappedStatus<InitializedStatus>>;
    handleFailedRequest(err: Error): void;
    getCheckIntervalInMinutes(): number;
    getStatusStats(): StatusStats;
    getStatusName(status: MaybeUninitializedStatus): StatusName;
}
export {};
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