public boolean supports(Class<? extends Directory> directoryType) {
            return true;
        }
Copies all fields regardless of directory, if the tag name
is not identical to a known Metadata field name.
This leads to more predictable behavior than {@link CopyAllFieldsHandler}.
tika-parsers/tika-parsers-standard/tika-parsers-standard-modules/tika-parser-image-module/src/main/java/org/apache/tika/parser/image/ImageMetadataExtractor.java