关于Metalama使用Fabric操作项目或命名空间的问题

public class LogAttribute : OverrideMethodAspect
{
    public override dynamic? OverrideMethod()
    {
        Console.WriteLine(meta.Target.Method.ToDisplayString() + " 开始运行.");
        var result = meta.Proceed();
        Console.WriteLine(meta.Target.Method.ToDisplayString() + " 结束运行.");
        return result;
    }
}

[Log]
private static int Add(int a, int b) //... ...

internal class Fabric : ProjectFabric
{
    // 这个是重写项目的Fabric中修改项目的方法
    public override void AmendProject(IProjectAmender amender)
    {
        // 添加 LogAttribute 到符合规则的方法上
        // 为名为 Add 且 private 的方法添加 LogAttribute
        amender.WithTargetMembers(c =>
                c.Types.SelectMany(t => t.Methods)
                       .Where(t =>
                              t.Name == "Add" &&
                              t.Accessibility == Metalama.Framework.Code.Accessibility.Private)
            ).AddAspect(t => new LogAttribute());
    }
}

namespace FabricCamelCaseDemo;
class Fabric : NamespaceFabric
{
    private static readonly DiagnosticDefinition<string> _warning = new(
 "DEMO04",
 Severity.Warning,
 "'{0}'必须使用驼峰命名法并以'_'开头");
    // 这个是命名空间的Fabric中修改命名空间规则 的方法
    public override void AmendNamespace(INamespaceAmender amender)
    {
	    // 取所有非static 的private的字段，并添加代码分析
        amender.WithTargetMembers(c =>
                                    c.AllTypes.SelectMany(t=>t.Fields)
                                    .Where(t => t.Accessibility == Accessibility.Private && !t.IsStatic
                                    )
                                 )
            //preview 0.5.8之前为 RegisterFinalValidator
            .Validate(this.FinalValidator);
    }
 
    private void FinalValidator(in DeclarationValidationContext context)
    {
        var fullname = context.Declaration.ToDisplayString();
        var fieldName = fullname.Split('.').LastOrDefault();
        if (fieldName!=null && (!fieldName.StartsWith("_") || !char.IsLower(fieldName[1])))
        {
            context.Diagnostics.Report(_warning.WithArguments(fieldName));
        }
    }
}

namespace FabricCamelCase;
internal class OtherNamespace
{
    int count = 0;
    int _total = 0;
    public int Add()
    {
        count++;
        _total++;
        return count + _total;
    }
}

public class AddUtils
{
    public int Add2(int x1, int x2)
    {
        var result = 0;
        result += x1;
        result += x2;
        return 2;
    }
    public int Add3(int x1, int x2, int x3)
    {
        var result = 0;
        result += x1;
        result += x2;
        result += x3;
        return 3;
    }
	// 以此类推... 下面省去若干方法
}

using System.Reflection.Emit;
using Metalama.Framework.Aspects;
using Metalama.Framework.Fabrics;
 
public class AddUtils
{
    private class Fabric : TypeFabric
    {
        // 实现的方法体
        [Template]
        public int MethodTemplate()
        {
            var num = (int) meta.Tags["nums"]!;
            var result = 0;
            foreach (var targetParameter in meta.Target.Parameters)
            {
                result += targetParameter.Value;
            }
            return num;
        }
        public override void AmendType(ITypeAmender amender)
            for (var i = 2; i < 15; i++)
                // 生成一个方法
                var methodBuilder = amender.Advices.IntroduceMethod(
                    amender.Type,
                    nameof(this.MethodTemplate),
                    tags: new TagDictionary { ["nums"] = i });
                // 方法名
                methodBuilder.Name = "Add" + i;
                // 添加参数
                for (int parameterIndex = 1; parameterIndex <= i; parameterIndex++)
                {
                    methodBuilder.AddParameter($"x{parameterIndex}", typeof(int));
                }
    }
}