/*
 * Copyright The OpenTelemetry 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
 *
 *      https://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 { OTLPMetricExporterBase } from '@opentelemetry/exporter-metrics-otlp-http';
import { OTLPExporterNodeBase, } from '@opentelemetry/otlp-exporter-base';
import { ProtobufMetricsSerializer, } from '@opentelemetry/otlp-transformer';
import { VERSION } from './version';
const USER_AGENT = {
    'User-Agent': `OTel-OTLP-Exporter-JavaScript/${VERSION}`,
};
class OTLPMetricExporterNodeProxy extends OTLPExporterNodeBase {
    constructor(config) {
        super(config, ProtobufMetricsSerializer, Object.assign(Object.assign({}, USER_AGENT), { 'Content-Type': 'application/x-protobuf' }), 'METRICS', 'v1/metrics');
    }
}
export class OTLPMetricExporter extends OTLPMetricExporterBase {
    constructor(config) {
        super(new OTLPMetricExporterNodeProxy(config), config);
    }
}
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