• CANNOT_ADD_DATA_TO_PDF_DOCUMENT : iText.Pdfocr.Logs.PdfOcrLogMessageConstant
• CANNOT_READ_DEFAULT_FONT : iText.Pdfocr.Logs.PdfOcrLogMessageConstant
• CANNOT_READ_INPUT_IMAGE : iText.Pdfocr.Logs.PdfOcrLogMessageConstant
• COULD_NOT_FIND_CORRESPONDING_GLYPH_TO_UNICODE_CHARACTER : iText.Pdfocr.Logs.PdfOcrLogMessageConstant
• NUMBER_OF_PAGES_IN_IMAGE : iText.Pdfocr.Logs.PdfOcrLogMessageConstant
• PDF_LANGUAGE_PROPERTY_IS_NOT_SET : iText.Pdfocr.Logs.PdfOcrLogMessageConstant
• PROCESS_IMAGE : iText.Pdfocr.Tesseract4.Actions.Events.PdfOcrTesseract4ProductEvent
• PROVIDED_FONT_PROVIDER_IS_INVALID : iText.Pdfocr.Logs.PdfOcrLogMessageConstant
• START_OCR_FOR_IMAGES : iText.Pdfocr.Logs.PdfOcrLogMessageConstant