llamaindexclassesClass: PDFReaderTrên trang nàyClass: PDFReader Read the text of a PDF Implements BaseReader Constructors new PDFReader() new PDFReader(): PDFReader Returns PDFReader Methods loadData() loadData(file): Promise <Document <Metadata>[]> Parameters • file: string Returns Promise <Document <Metadata>[]> Implementation of BaseReader . loadData Source packages/core/src/readers/PDFReader.ts:9