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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 { SpanBase } from './span-base';
import * as types from './types';
/** Defines a root span */
export declare class RootSpan extends SpanBase implements types.RootSpan {
/** A tracer object */
private tracer;
/** A list of child spans. */
private spansLocal;
/** Its trace ID. */
private traceIdLocal;
/** Its trace state. */
private traceStateLocal;
/** set isRootSpan = true */
readonly isRootSpan: boolean;
/**
* Constructs a new RootSpanImpl instance.
* @param tracer A tracer object.
* @param context A trace options object to build the root span.
*/
constructor(tracer: types.Tracer, context?: types.TraceOptions);
/** Gets span list from rootspan instance. */
readonly spans: types.Span[];
/** Gets trace id from rootspan instance. */
readonly traceId: string;
/** Gets trace state from rootspan instance */
readonly traceState: types.TraceState;
/** Starts a rootspan instance. */
start(): void;
/** Ends a rootspan instance. */
end(): void;
/**
* Starts a new child span in the root span.
* @param name Span name.
* @param kind Span kind.
* @param parentSpanId Span parent ID.
*/
startChildSpan(name: string, kind: types.SpanKind, parentSpanId?: string): types.Span;
}