usingSystem;usingSystem.Collections.Generic;usingSystem.Text;namespaceGoogle.ProtocolBuffers.Serialization{/// <summary>/// The exception raised when a recursion limit is reached while parsing input./// </summary>publicsealedclassRecursionLimitExceededException:FormatException{conststringmessage="Possible malicious message had too many levels of nesting.";internalRecursionLimitExceededException():base(message){}}}