/**
 * The debugLog handles formatting and routing debug statements to
 * different logging outputs.
 */
type LogDestination = (messageType: string, message: string | undefined, stackTrace?: string) => void;
/**
 * Returns a function that will route debugLog events
 * through the `sendEvent` function. This is typically used
 * for sending events through to the current `lo_event` loggers.
 * Events are transmitted when the count of a specific event
 * type reaches a power of 10.
 */
declare function sendEventToLogger(sendEvent: (eventType: string, payload: object) => void): LogDestination;
/**
 * Send debugLog event to the browser console
 */
declare function sendToConsole(messageType: string, message: string | undefined, stackTrace?: string): void;
/**
 * LOG_OUTPUT refer to where we route debug events
 * `CONSOLE`: routes events to the browser console
 * `LOGGER`: routes events to standard `lo_event` pipeline
 */
declare const LOG_OUTPUT: {
    readonly CONSOLE: typeof sendToConsole;
    readonly LOGGER: typeof sendEventToLogger;
};
/**
 * LEVEL corresponds to how much information we include when we log something
 * `none`: does not log any information
 * `simple`: logs the data as is
 * `extended`: logs the data in conjuction with timestamp and stack trace
 */
declare const LEVEL: {
    readonly NONE: "none";
    readonly SIMPLE: "simple";
    readonly EXTENDED: "extended";
};
declare function setLevel(level: string): void;
declare function setLogOutputs(outputs: LogDestination[]): void;
declare function info(log: string, stack?: string): void;
declare function error(log: string, error?: unknown): void;

export { LEVEL, LOG_OUTPUT, type LogDestination, error, info, setLevel, setLogOutputs };