import { ProjectPlugin, ProjectPluginStructure } from '@teleporthq/teleport-types';
/** The head script of a site with a Blog or a Help Center; empty otherwise. */
export declare function buildCodeCopyHeadSnippet(uidl: ProjectPluginStructure['uidl']): string;
/**
 * The Copy button of a post's code blocks (written into the post's HTML by the
 * post transform) needs one script to act on a click — this ships it, inline
 * in `_document`'s head like the popups' script (about 1.5 KB), on a project
 * with a Blog or a Help Center. 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. Any other project is left as it was.
 */
export declare class NextCodeCopyProjectPlugin implements ProjectPlugin {
    runBefore(structure: ProjectPluginStructure): Promise<ProjectPluginStructure>;
    runAfter(structure: ProjectPluginStructure): Promise<ProjectPluginStructure>;
}
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