import { ProjectPlugin, ProjectPluginStructure } from '@teleporthq/teleport-types';
/** True when any element anywhere in the project carries a scroll-rail behavior. */
export declare const projectUsesScrollRail: (uidl: ProjectPluginStructure['uidl']) => boolean;
/**
 * Ships the scroll-rail controller only when the project uses it: one
 * null-rendering component next to the app's JSX, no npm dependency. The
 * rails need nothing else — their data-scroll-rail-* attrs pass through as
 * plain HTML attributes.
 */
export declare class NextScrollRailProjectPlugin implements ProjectPlugin {
    runBefore(structure: ProjectPluginStructure): Promise<ProjectPluginStructure>;
    runAfter(structure: ProjectPluginStructure): Promise<ProjectPluginStructure>;
}
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