export declare class ContentFlattenerService { private environment; assetMap: {}; entryMap: {}; constructor(environment: any); flatten(content: object, assetMap: object, entryMap: object): object; getImage(content: object): string; flattenEmbeddedAssetBlock(content: object): object; flattenHeading(content: object): object; flattenParagraph(content: object): object; flattenEmbeddedEntryBlock(content: object): object; flattenUnorderedList(content: object): object; }