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/**
* Copyright 2018, OpenCensus Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import * as loggerTypes from '../common/types';
import { Measurement, View } from '../stats/types';
import { TagKey, TagValue } from '../tags/types';
import * as modelTypes from '../trace/model/types';
import * as types from './types';
/** Do not send span data */
export declare class NoopExporter implements types.Exporter {
logger: loggerTypes.Logger;
onStartSpan(root: modelTypes.RootSpan): void;
onEndSpan(root: modelTypes.RootSpan): void;
publish(rootSpans: modelTypes.RootSpan[]): Promise<void>;
}
/** Format and sends span data to the console. */
export declare class ConsoleExporter implements types.Exporter {
/** Buffer object to store the spans. */
private logger;
private buffer;
/**
* Constructs a new ConsoleLogExporter instance.
* @param config Exporter configuration object to create a console log
* exporter.
*/
constructor(config: types.ExporterConfig);
onStartSpan(root: modelTypes.RootSpan): void;
/**
* Event called when a span is ended.
* @param root Ended span.
*/
onEndSpan(root: modelTypes.RootSpan): void;
/**
* Sends the spans information to the console.
* @param rootSpans
*/
publish(rootSpans: modelTypes.RootSpan[]): Promise<void>;
}
/** Exporter that receives stats data and shows in the log console. */
export declare class ConsoleStatsExporter implements types.StatsEventListener {
/**
* Event called when a view is registered
* @param view registered view
* @param measure registered measure
*/
onRegisterView(view: View): void;
/**
* Event called when a measurement is recorded
* @param view recorded view from measurement
* @param measurement recorded measurement
*/
onRecord(views: View[], measurement: Measurement, tags: Map<TagKey, TagValue>): void;
/**
* Starts the Console exporter that polls Metric from Metrics library and
* shows in the log console..
*/
start(): void;
}