/*!
 * Copyright 2020, 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 { ResourceLabels } from './types';
/**
 * A Resource describes the entity for which a signals (metrics or trace) are
 * collected.
 */
export declare class Resource {
    /**
     * A dictionary of labels with string keys and values that provide information
     * about the entity as numbers, strings or booleans
     * TODO: Consider to add check/validation on labels.
     */
    readonly labels: ResourceLabels;
    static readonly EMPTY: Resource;
    /**
     * Returns an empty Resource
     */
    static empty(): Resource;
    /**
     * Returns a Resource that indentifies the SDK in use.
     */
    static createTelemetrySDKResource(): Resource;
    constructor(
    /**
     * A dictionary of labels with string keys and values that provide information
     * about the entity as numbers, strings or booleans
     * TODO: Consider to add check/validation on labels.
     */
    labels: ResourceLabels);
    /**
     * Returns a new, merged {@link Resource} by merging the current Resource
     * with the other Resource. In case of a collision, current Resource takes
     * precedence.
     *
     * @param other the Resource that will be merged with this.
     * @returns the newly merged Resource.
     */
    merge(other: Resource | null): Resource;
}
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