import { ProjectPlugin, ProjectPluginStructure, UIDLPopupConfig } from '@teleporthq/teleport-types';
/** The popups' head script; empty when the project shows no popup. */
export declare function buildPopupsHeadSnippet(config: UIDLPopupConfig | undefined): string;
/**
 * Popups on the published site (`uidl.popups`, built by the editor from the
 * popup components the owner switched on). Each popup is already a component
 * instance at the end of every page; this ships the one script that decides
 * when to open it — see popup-runtime-source.ts.
 *
 * Inline in `_document`'s head rather than a public file, so it is there
 * before the first page view is evaluated (about 14 KB unminified, a few KB
 * once the page is compressed). Added in `runBefore` because `_document`
 * reads `customCode.head` during generation; put first, so a broken tag in the
 * owner's own head code cannot swallow it.
 * A project without popups is left exactly as it was.
 */
export declare class NextPopupsProjectPlugin implements ProjectPlugin {
    runBefore(structure: ProjectPluginStructure): Promise<ProjectPluginStructure>;
    runAfter(structure: ProjectPluginStructure): Promise<ProjectPluginStructure>;
}
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