addMetadata method
Implementation
void addMetadata(MetadataEntry metadata) {
if (WellKnownMimeType.isWellKnownType(metadata.mimeType)) {
addWellKnownMimeType(WellKnownMimeType.getMimeTypeId(metadata.mimeType)!,
metadata.content!);
} else {
addExplicitMimeType(metadata.mimeType, metadata.content);
}
}