export declare type LevelSilly = "silly";
export declare type LevelDebug = "debug";
export declare type LevelVerbose = "verbose";
export declare type LevelInfo = "info";
export declare type LevelWarn = "warn";
export declare type LevelError = "error";
export declare type LevelSilent = "silent";
export declare type Level = LevelSilly | LevelDebug | LevelVerbose | LevelInfo | LevelWarn | LevelError | LevelSilent;
export declare type PinnedLevel = boolean | undefined;
export declare type TransportConsole = "console";
export declare type TransportStore = "store";
export declare type TransportGlobalStore = "globalStore";
export declare type TransportType = TransportConsole | TransportStore;
export declare type WinstonTransportType = TransportConsole | TransportStore | TransportGlobalStore;
export declare type ArrayTransportInstance = any;
export declare type Log = string;
export declare type Label = string;
export declare type LogsStore = Log[];
export declare type StoreLimit = number;
export interface TransportsPinnedLevels {
    console: boolean;
    store: boolean;
}
export interface LoggerOptions {
    level?: Level;
    storeLimit?: StoreLimit;
    globalStoreLimit?: StoreLimit;
}
export interface SetBaseLevelOptions {
    pinned?: PinnedLevel;
    forcePropagation?: boolean;
}
export interface SetTransportLevelOptions extends SetBaseLevelOptions {
    fromBaseLevel?: boolean;
}
export interface SetOptions extends SetBaseLevelOptions {
    transport?: TransportType;
    propagate?: boolean;
}
export interface EventListener {
    (): void;
}