public void setIfXFAExtractOnlyXFA(boolean ifXFAExtractOnlyXFA) {
        this.ifXFAExtractOnlyXFA = ifXFAExtractOnlyXFA;
        userConfigured.add("ifXFAExtractOnlyXFA");
    }
If false (the default), extract content from the full PDF
as well as the XFA form.  This will likely lead to some duplicative
content.

@param ifXFAExtractOnlyXFA
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pdf-module/src/main/java/org/apache/tika/parser/pdf/PDFParserConfig.java