import * as Extras from '../extras/extras.js';
import type * as Handlers from '../handlers/handlers.js';
import type * as Types from '../types/types.js';
import { type InsightModel, type InsightSetContext } from './types.js';
export declare const UIStrings: {
    /**
     * @description Title of an insight that identifies multiple copies of the same JavaScript sources, and recommends removing the duplication.
     */
    readonly title: "Duplicated JavaScript";
    /**
     * @description Description of an insight that identifies multiple copies of the same JavaScript sources, and recommends removing the duplication.
     */
    readonly description: "Remove large, [duplicate JavaScript modules](https://developer.chrome.com/docs/performance/insights/duplicated-javascript) from bundles to reduce unnecessary bytes consumed by network activity.";
    /** Label for a column in a data table; entries will be the locations of JavaScript or CSS code, e.g. the name of a Javascript package or module. */
    readonly columnSource: "Source";
    /** Label for a column in a data table; entries will be the number of wasted bytes due to duplication of a web resource. */
    readonly columnDuplicatedBytes: "Duplicated bytes";
    /**
     * @description Message shown when no duplicated JavaScript is found.
     */
    readonly noDuplicatedJavaScript: "No duplicated JavaScript found";
};
export declare const i18nString: (id: string, values?: import("../../../core/i18n/i18nTypes.js").Values | undefined) => import("../../../core/platform/UIString.js").LocalizedString;
export type DuplicatedJavaScriptInsightModel = InsightModel<typeof UIStrings, {
    duplication: Extras.ScriptDuplication.ScriptDuplication;
    duplicationGroupedByNodeModules: Extras.ScriptDuplication.ScriptDuplication;
    scriptsWithDuplication: Handlers.ModelHandlers.Scripts.Script[];
    scripts: Handlers.ModelHandlers.Scripts.Script[];
    mainDocumentUrl: string;
}>;
export declare function isDuplicatedJavaScriptInsight(model: InsightModel): model is DuplicatedJavaScriptInsightModel;
export declare function generateInsight(data: Handlers.Types.HandlerData, context: InsightSetContext): DuplicatedJavaScriptInsightModel;
export declare function createOverlays(model: DuplicatedJavaScriptInsightModel): Types.Overlays.Overlay[];
