import { Properties } from "./properties";
/**
 * Metrics telemetry client
 */
export interface Metrics {
    /**
     * Sets the value of a metric
     *
     * @param {string} metricName Metric name
     * @param {string} value Metric value
     * @param {Properties|undefined} properties Properties for metric instance
     */
    set: (metricName: string, value: number, properties?: Properties) => void;
    /**
     * Increment metric value by 1
     *
     * @param {string} metricName Metric name
     * @param {Properties|undefined} properties Properties for metric instance
     */
    increment: (metricName: string, properties?: Properties) => void;
    /**
     * Increments metric by specified value
     *
     * @param {string} metricName Metric name
     * @param {string} value Metric increment interval
     * @param {Properties|undefined} properties Properties for metric instance
     */
    incrementBy: (metricName: string, value: number, properties?: Properties) => void;
    /**
     * Flushes all pending metrics requests
     */
    flush: () => void;
    /**
     * Adds a default property to the metrics client
     *
     * @param {Properties} properties Default properties to add to client
     */
    addDefaultProperties: (properties: Properties) => void;
}