import { Entry } from './contentful/types';
import { ContentfulDataSource } from './dataSource';
export interface DataSourceWithInclude extends ContentfulDataSource {
    /** Given an entry, resolves it down to the specified depth */
    resolveEntry<T extends Entry>(entry: T, depth: number): Promise<T>;
}
/**
 * Wraps a data source to automatically resolve linked entries and assets,
 * replacing links recursively down the tree by fetching the linked entries
 * by ID.
 */
export declare function withInclude<TDataSource extends ContentfulDataSource>(dataSource: TDataSource): TDataSource;
/**
 * Enhances a DataSource to automatically resolve linked entries and assets,
 * replacing links recursively down the tree by fetching the linked entries
 * by ID.
 */
export declare function addInclude<TDataSource extends ContentfulDataSource>(dataSource: TDataSource): asserts dataSource is TDataSource & DataSourceWithInclude;