https://jakarta.ee/specifications/platform/8/apidocs/javax/mail/multipartdatasource
MultipartDataSource (Jakarta EE 8 Specification APIs)
jakarta eespecificationapis
https://access.redhat.com/webassets/avalon/d/red_hat_jboss_enterprise_application_platform/7.3/javadocs/com/sun/xml/messaging/saaj/packaging/mime/class-use/MultipartDataSource.html
Uses of Interface com.sun.xml.messaging.saaj.packaging.mime.MultipartDataSource (Red Hat JBoss...