com.netease.nimlib.sdk.qchat.param.QChatDownloadAttachmentParam 成员列表

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

getMessage()	com.netease.nimlib.sdk.qchat.param.QChatDownloadAttachmentParam
isThumb()	com.netease.nimlib.sdk.qchat.param.QChatDownloadAttachmentParam
QChatDownloadAttachmentParam(@NonNull QChatMessage message, boolean thumb)	com.netease.nimlib.sdk.qchat.param.QChatDownloadAttachmentParam