private String getStreamName(Metadata metadata) {
        String mimeString = metadata.get(Metadata.CONTENT_TYPE);
        if (mimeString == null) {
            return null;
        }
        return MIMES_TO_NAME.get(mimeString);
    }
@param metadata
@return CompressorStream name based on the content-type value
in metadata or <code>null</code> if not found
ind
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-pkg-module/src/main/java/org/apache/tika/parser/pkg/CompressorParser.java