in src/main/java/org/apache/sling/fsprovider/internal/InitialContentImportOptions.java [48:60]
public InitialContentImportOptions(String optionsString) {
ManifestHeader header = ManifestHeader.parse("/dummy/path;" + optionsString);
Entry[] entries = header.getEntries();
if (entries.length > 0) {
overwrite = BooleanUtils.toBoolean(entries[0].getDirectiveValue(OVERWRITE_DIRECTIVE));
String ignoreImportProvidersString =
StringUtils.defaultString(entries[0].getDirectiveValue(IGNORE_CONTENT_READERS_DIRECTIVE));
ignoreImportProviders = new HashSet<>(Arrays.asList(StringUtils.split(ignoreImportProvidersString, ",")));
} else {
overwrite = false;
ignoreImportProviders = Collections.emptySet();
}
}