NIMSDK-AOS  9.16.3
com.netease.nimlib.sdk.msg.attachment.MsgAttachment 成员列表

成员的完整列表,这些成员属于 com.netease.nimlib.sdk.msg.attachment.MsgAttachment,包括所有继承而来的类成员

toJson(boolean send)com.netease.nimlib.sdk.msg.attachment.MsgAttachment