/// <summary>
        /// Tries to add member as a method.
        /// </summary>
        /// <param name="contractClass">The contract class.</param>
        /// <param name="member">The member.</param>
        /// <returns>
        ///   <c>true</c> if the member was a method and added; otherwise <c>false</c>
        /// </returns>
        private bool TryAddMemberAsMethod(Class contractClass, Member member)
        {
            Contract.Requires(contractClass != null, "contractClass is null.");
            Contract.Requires(member != null, "member is null.");

            var interfaceMethod = member as Method;

            if (interfaceMethod == null)
            {
                return(false);
            }

            var method = new Method();

            this.SetupMemberDeclaration(method, interfaceMethod);
            if (string.IsNullOrEmpty(interfaceMethod.MemberType) || interfaceMethod.MemberType == "void")
            {
                method.MethodType = MethodTypeEnum.Void;
            }
            else
            {
                method.MethodType = MethodTypeEnum.Function;
                var typeReferenceExp = interfaceMethod.MemberTypeReference;
                if (typeReferenceExp != null)
                {
                    this.AddDefaultReturn(method, typeReferenceExp);
                }
            }

            method.AddToDoComment();
            method.CopyParameters(interfaceMethod);

            contractClass.CloneDocComment(interfaceMethod);
            contractClass.AddNode(method);
            return(true);
        }
    /// <summary>
    /// Tries to add member as a method.
    /// </summary>
    /// <param name="contractClass">The contract class.</param>
    /// <param name="member">The member.</param>
    /// <returns>
    ///   <c>true</c> if the member was a method and added; otherwise <c>false</c>
    /// </returns>
    private bool TryAddMemberAsMethod(Class contractClass, Member member)
    {
      Contract.Requires(contractClass != null, "contractClass is null.");
      Contract.Requires(member != null, "member is null.");

      var interfaceMethod = member as Method;
      if (interfaceMethod == null)
      {
        return false;
      }

      var method = new Method();
      this.SetupMemberDeclaration(method, interfaceMethod);
      if (string.IsNullOrEmpty(interfaceMethod.MemberType) || interfaceMethod.MemberType == "void")
      {
        method.MethodType = MethodTypeEnum.Void;
      }
      else
      {
        method.MethodType = MethodTypeEnum.Function;
        var typeReferenceExp = interfaceMethod.MemberTypeReference;
        if (typeReferenceExp != null)
        {
          this.AddDefaultReturn(method, typeReferenceExp);
        }
      }

      method.AddToDoComment();
      method.CopyParameters(interfaceMethod);

      contractClass.CloneDocComment(interfaceMethod);
      contractClass.AddNode(method);
      return true;
    }