/**
 *
 * Copyright 2020-2026 Splunk Inc.
 *
 * 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 { InstrumentationBase, InstrumentationConfig } from '@opentelemetry/instrumentation';
import { ReportOpts } from 'web-vitals';
import { SessionManager } from '../managers';
import { SplunkOtelWebConfig } from '../types';
export interface SplunkWebVitalsInstrumentationConfig extends InstrumentationConfig {
    /**
     * If true, the webvitals spans will have their start time aligned with the document load span,
     * and will inherit the URL attributes from the document load span if available.
     * @default true
     */
    alignWebVitalsSpansWithDocumentLoad?: boolean;
    cls?: boolean | ReportOpts;
    inp?: boolean | ReportOpts;
    lcp?: boolean | ReportOpts;
}
export declare class SplunkWebVitalsInstrumentation extends InstrumentationBase<SplunkWebVitalsInstrumentationConfig> {
    protected otelConfig: SplunkOtelWebConfig;
    sessionManager?: SessionManager | undefined;
    private areCallbackAttached;
    private docLoadSpanPromise;
    private docLoadSpanResolve;
    private isRecording;
    private reported;
    constructor(config: SplunkWebVitalsInstrumentationConfig | undefined, otelConfig: SplunkOtelWebConfig, sessionManager?: SessionManager | undefined);
    disable(): void;
    enable(): void;
    init(): void;
    private reportMetric;
    private shouldAlignWithDocumentLoad;
}