type DebugLogLevel = 'TRACE' | 'INFO' | 'WARN' | 'ERROR' | 'NONE';

/**
 * Create custom internal monitoring log event. Logs can be accessed by calling {@link germainApm.rootWindow.state.debugLog} on the monitored window. 
 * 
 * @param {DebugLogLevel} level Log level type. 
 * @param {string} message Log main content message. 
 * @param {Object} [details] An optional JavaScript object containing additional information about this log.
 */
export function log(level: DebugLogLevel, message: string, obj?: Object | (() => Object)): void;
    /**
 * Stop Germain APM UX monitoring. It uninstalls all monitoring instrumentation but it doesn’t remove germainApm code from the monitored page. 
 * It stops the monitoring immediately and it doesn't trigger any data flush at that point. 
 * Monitoring will restart on the next full page load (server side load must occur, e.g. hard page navigation or full page refresh via F5).
 * 
 * @param {boolean} [onAllTabs] If true, stop monitoring on all monitored tabs only if BroadcastChannel is supported by your browser. 
 *      If false, stop monitoring only on the active tab and keep it active on other tabs. Default: true.
 */
export function stop(onAllTabs?: boolean): void;
/**
 * Stop Germain APM UX monitoring, flush all data available in browser’s cache and, optionally, remove any available state. 
 * Internally it makes a call to {@link germainApm.stop(onAllTabs)}. Custom logout event generator should call {@link germainApm.uninstall(true, true)}. 
 * Monitoring will restart on the next full page load (server side load must occur, e.g. hard page navigation or full page refresh via F5).
 * 
 * @param {boolean} [clearSessionState] If true, clears also monitoring state from the browser’s storage and removes the entire monitoring metadata. 
 *  If false, keeps monitoring state in browser’s storage. Default: false.
 * @param {boolean} [onAllTabs] If true, stop monitoring on all monitored tabs only if BroadcastChannel is supported by your browser. 
 *  If false, stop monitoring only on the active tab and keep it active on other tabs. Default: false.
 */
export function uninstall(clearSessionState?: boolean, onAllTabs?: boolean): void;


/** Create custom events, metrics and transactions. */
export const api: API;

interface API {
    /**
     * Start custom UX transaction data point marker.
     * 
     * @param {string} name Transaction unique name. It will identify this transaction and must be used to close it.
     * @param {Object} [details] Optional JavaScript object containing additional information about this transaction.
     */
    startTransaction: (name: string, details?: Record<string, any>) => void;
    /**
     * Close ongoing custom ransaction and generate UX transaction data point.
     * 
     * @param {string} name Transaction name to close. Must be one of the transaction name that has been started beforehand.
     * @param {Object} [details] Optional JavaScript object containing additional information about this transaction.
     */
    endTransaction: (name: string, details?: Record<string, any>) => void;
    /**
     * Create custom UX event data point.
     * 
     * @param {string} name Event name.
     * @param {Object} [details] Optional JavaScript object containing additional information about this event.
     */
    createEvent: (name: string, details?: Record<string, any>) => void;
    /**
     * Create custom UX metric data point with a numeric value.
     * 
     * @param {string} name Metric name.
     * @param {number} value Metric numeric value.
     * @param {Object} [details] Optional JavaScript object containing additional information about this metric.
     */
    createMetric: (name: string, value: number, details?: Record<string, any>) => void;
    /**
     * Create custom UX transaction data point with provided duration.
     * 
     * @param {string} name Transaction name.
     * @param {number} duration Transaction duration. To keep consistent with other transactions, use seconds as unit.
     * @param {Object} [details] Optional JavaScript object containing additional information about this transaction.
     */
    createTransaction: (name: string, duration: number, details?: Record<string, any>) => void;
}

/**
 * Initialize Germain APM UX Monitoring. 
 * 
 * @param {string} servicesUrl Germain APM services root URL, e.g. "http://localhost:8080"
 * @param {string} initialProfileName UX monitoring profile configured in Germain APM, e.g. "Salesforce PROD"
 * @param {string} applicationName Web-application name, e.g. "Salesforce"
 * @param {string} [serverHostname] Optional hard-coded server hostname, e.g. "instance123.sfdc.com"
 */
export function init(servicesUrl: string, initialProfileName: string, applicationName: string, serverHostname?: string): void;

/**
 * Check if Germain APM UX Monitoring has been initialized and running. 
 * 
 * @returns {boolean} True if Germain APM UX Monitoring initialized and running.
 */
export function isInitialized(): boolean;