Attachment
public Attachment Attachment(@Json(name = "id" ) String id, @Json(name = "grant_id" ) String grantId, @Json(name = "size" ) Integer size, @Json(name = "filename" ) String filename, @Json(name = "content_type" ) String contentType, @Json(name = "is_inline" ) Boolean isInline, @Json(name = "content_id" ) String contentId, @Json(name = "content_disposition" ) Long contentDisposition)