private void setDataRemained(int dataRemained) {
        this.dataRemained = dataRemained;
    }
Sets data remained to be processed

@param dataRemained
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/main/java/org/apache/tika/parser/microsoft/chm/ChmItsfHeader.java