import { ProjectPlugin, ProjectPluginStructure } from '@teleporthq/teleport-types';
/** The site's origin, read off the first page's canonical address. */
export declare const extractBaseUrl: (routeValues: Array<{
    seo?: {
        assets?: Array<{
            type: string;
        }>;
    };
}>) => string | null;
export declare class NextProjectPlugini18nConfig implements ProjectPlugin {
    private generateSitemap;
    constructor(options?: {
        generateSitemap?: boolean;
    });
    runBefore(structure: ProjectPluginStructure): Promise<ProjectPluginStructure>;
    runAfter(structure: ProjectPluginStructure): Promise<ProjectPluginStructure>;
}
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