public static AbstractChunking createChunkingInstance(byte[] fileContent) {
        if (ZipHeader.isFileHeader(fileContent, 0)) {
            return new ZipFilesChunking(fileContent);
        } else {
            return new RDCAnalysisChunking(fileContent);
        }
    }
This method is used to create the instance of AbstractChunking.

@param fileContent The content of the file.
@return The instance of AbstractChunking.
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-microsoft-module/src/main/java/org/apache/tika/parser/microsoft/onenote/fsshttpb/streamobj/chunking/ChunkingFactory.java