import { Metric, QueryMetricsRequest, QueryMetricsResponse } from '../../internal-common/src/public-types/metric.public-types';
/**
 * A client for reporting user metrics and querying both application-related Squid and user metrics.
 * @category Platform
 */
export declare class ObservabilityClient {
    private readonly rpcManager;
    private pendingPromises;
    private isReporting;
    /**
     * Reports metrics to the metric submission queue.
     * The metric can be sent immediately or with some (several seconds) delay
     * due to optimizations applied by Squid client.
     * If no tags are provided tags are set to an empty record ({}).
     * If no timestamp is provided the timestamp is set to now().
     */
    reportMetric<MetricNameType = string>(metric: MetricReport<MetricNameType>): void;
    /**
     * Flushes all pending (unsent) metrics.
     * Note: Even after flushing, it may take some time for these metrics to become visible via 'queryMetrics' due to the
     * eventual consistency of the metrics storage.
     */
    flush(): Promise<void>;
    /** Queries a batch of metric values. */
    queryMetrics<MetricName extends string = string>(metricRequest: QueryMetricsRequest<MetricName>): Promise<QueryMetricsResponse<MetricName>>;
}
/** A single metric event. */
export { Metric } from '../../internal-common/src/public-types/metric.public-types';
/**
 * MetricReport represents a single metric event with some optional fields.
 * These optional fields are automatically populated by Squid with default values.
 * @category Platform
 */
export type MetricReport<MetricNameType = string> = Omit<Metric<MetricNameType>, 'tags' | 'timestamp'> & Partial<Pick<Metric, 'tags' | 'timestamp'>>;