AbstractAbstractcompressAbstract method that must be implemented by any class that extends
BaseDocumentCompressor. This method takes an array of Document
objects and a query string as parameters and returns a Promise that
resolves with an array of compressed Document objects.
An array of Document objects to be compressed.
A query string.
Optionalcallbacks: anyA Promise that resolves with an array of compressed Document objects.
Staticis
Base Document Compression class. All compressors should extend this class.