package eu.siacs.conversations.entities; public interface Transferable { String[] VALID_IMAGE_EXTENSIONS = {"webp", "jpeg", "jpg", "png", "jpe"}; String[] VALID_CRYPTO_EXTENSIONS = {"pgp", "gpg", "otr"}; String[] WELL_KNOWN_EXTENSIONS = {"pdf","m4a","mp4"}; int STATUS_UNKNOWN = 0x200; int STATUS_CHECKING = 0x201; int STATUS_FAILED = 0x202; int STATUS_OFFER = 0x203; int STATUS_DOWNLOADING = 0x204; int STATUS_DELETED = 0x205; int STATUS_OFFER_CHECK_FILESIZE = 0x206; int STATUS_UPLOADING = 0x207; boolean start(); int getStatus(); long getFileSize(); int getProgress(); void cancel(); }