delete unused fiels.

src/DotNetCore.CAP/Internal/ConsumerMethodExecutor.cs

-using System.Collections.Generic;
-using Microsoft.Extensions.Internal;
-
-namespace DotNetCore.CAP.Internal
-{
-    public class ConsumerMethodExecutor
-    {
-        internal static object[] PrepareArguments(
-            IDictionary<string, object> actionParameters,
-            ObjectMethodExecutor actionMethodExecutor)
-        {
-            var declaredParameterInfos = actionMethodExecutor.MethodParameters;
-            var count = declaredParameterInfos.Length;
-            if (count == 0)
-            {
-                return null;
-            }
-
-            var arguments = new object[count];
-            for (var index = 0; index < count; index++)
-            {
-                var parameterInfo = declaredParameterInfos[index];
-                object value;
-
-                if (!actionParameters.TryGetValue(parameterInfo.Name, out value))
-                {
-                    value = actionMethodExecutor.GetDefaultValueForParameter(index);
-                }
-
-                arguments[index] = value;
-            }
-
-            return arguments;
-        }
-    }
-}
\ No newline at end of file

src/DotNetCore.CAP/Internal/ModelAttributes.cs

-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Reflection;
-
-namespace DotNetCore.CAP.Internal
-{
-    /// <summary>
-    /// Provides access to the  combined list of attributes associated a <see cref="Type"/> or property.
-    /// </summary>
-    public class ModelAttributes
-    {
-        /// <summary>
-        /// Creates a new <see cref="ModelAttributes"/> for a <see cref="Type"/>.
-        /// </summary>
-        /// <param name="typeAttributes">The set of attributes for the <see cref="Type"/>.</param>
-        public ModelAttributes(IEnumerable<object> typeAttributes)
-        {
-            Attributes = typeAttributes?.ToArray() ?? throw new ArgumentNullException(nameof(typeAttributes));
-            TypeAttributes = Attributes;
-        }
-
-        /// <summary>
-        /// Creates a new <see cref="ModelAttributes"/> for a property.
-        /// </summary>
-        /// <param name="propertyAttributes">The set of attributes for the property.</param>
-        /// <param name="typeAttributes">
-        /// The set of attributes for the property's <see cref="Type"/>. See <see cref="PropertyInfo.PropertyType"/>.
-        /// </param>
-        public ModelAttributes(IEnumerable<object> propertyAttributes, IEnumerable<object> typeAttributes)
-        {
-            PropertyAttributes = propertyAttributes?.ToArray()
-                                 ?? throw new ArgumentNullException(nameof(propertyAttributes));
-
-            TypeAttributes = typeAttributes?.ToArray()
-                             ?? throw new ArgumentNullException(nameof(typeAttributes));
-
-            Attributes = PropertyAttributes.Concat(TypeAttributes).ToArray();
-        }
-
-        /// <summary>
-        /// Gets the set of all attributes. If this instance represents the attributes for a property, the attributes
-        /// on the property definition are before those on the property's <see cref="Type"/>.
-        /// </summary>
-        public IReadOnlyList<object> Attributes { get; }
-
-        /// <summary>
-        /// Gets the set of attributes on the property, or <c>null</c> if this instance represents the attributes
-        /// for a <see cref="Type"/>.
-        /// </summary>
-        public IReadOnlyList<object> PropertyAttributes { get; }
-
-        /// <summary>
-        /// Gets the set of attributes on the <see cref="Type"/>. If this instance represents a property,
-        /// then <see cref="TypeAttributes"/> contains attributes retrieved from
-        /// <see cref="PropertyInfo.PropertyType"/>.
-        /// </summary>
-        public IReadOnlyList<object> TypeAttributes { get; }
-
-        /// <summary>
-        /// Gets the attributes for the given <paramref name="property"/>.
-        /// </summary>
-        /// <param name="type">The <see cref="Type"/> in which caller found <paramref name="property"/>.
-        /// </param>
-        /// <param name="property">A <see cref="PropertyInfo"/> for which attributes need to be resolved.
-        /// </param>
-        /// <returns>A <see cref="ModelAttributes"/> instance with the attributes of the property.</returns>
-        public static ModelAttributes GetAttributesForProperty(Type type, PropertyInfo property)
-        {
-            if (type == null)
-            {
-                throw new ArgumentNullException(nameof(type));
-            }
-
-            if (property == null)
-            {
-                throw new ArgumentNullException(nameof(property));
-            }
-
-            var propertyAttributes = property.GetCustomAttributes();
-            var typeAttributes = property.PropertyType.GetTypeInfo().GetCustomAttributes();
-
-            return new ModelAttributes(propertyAttributes, typeAttributes);
-        }
-
-        /// <summary>
-        /// Gets the attributes for the given <paramref name="type"/>.
-        /// </summary>
-        /// <param name="type">The <see cref="Type"/> for which attributes need to be resolved.
-        /// </param>
-        /// <returns>A <see cref="ModelAttributes"/> instance with the attributes of the <see cref="Type"/>.</returns>
-        public static ModelAttributes GetAttributesForType(Type type)
-        {
-            if (type == null)
-            {
-                throw new ArgumentNullException(nameof(type));
-            }
-
-            var attributes = type.GetTypeInfo().GetCustomAttributes();
-
-            return new ModelAttributes(attributes);
-        }
-    }
-}
\ No newline at end of file