如果是Push，当正常返回时，则说明整个过程已完成。
如果是Pull，当正常返回时，则说明服务器对于这个过程已完成，后续还需要再TryFinished。
Task<FinishedResult> FinishedFileResourceInfoAsync(
FileResourceInfo fileResourceInfo,
ResultCode code,
Metadata metadata,
CancellationToken cancellationToken
)Function FinishedFileResourceInfoAsync (
fileResourceInfo As FileResourceInfo,
code As ResultCode,
metadata As Metadata,
cancellationToken As CancellationToken
) As Task(Of FinishedResult)abstract FinishedFileResourceInfoAsync :
fileResourceInfo : FileResourceInfo *
code : ResultCode *
metadata : Metadata *
cancellationToken : CancellationToken -> Task<FinishedResult> [缺少 "M:TouchSocket.Dmtp.FileTransfer.IDmtpFileTransferActor.FinishedFileResourceInfoAsync(TouchSocket.Dmtp.FileTransfer.FileResourceInfo,TouchSocket.Core.ResultCode,TouchSocket.Core.Metadata,System.Threading.CancellationToken)" 的 <returns> 文档]