在创建模型时找不到Microsoft.EntityFrameworkCore.Metadata.Builders.IndexBuilder方法

<ItemGroup>
  <PackageReference Include="Microsoft.EntityFrameworkCore" Version="x.x.x" />
  <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="x.x.x" />
  <PackageReference Include="Microsoft.EntityFrameworkCore.SqlServer" Version="x.x.x" />
  <!-- 其他数据库提供程序的包引用 -->
</ItemGroup>

using Microsoft.EntityFrameworkCore;
using Microsoft.EntityFrameworkCore.Metadata.Builders;

public class YourEntityConfiguration : IEntityTypeConfiguration<YourEntity>
{
    public void Configure(EntityTypeBuilder<YourEntity> builder)
    {
        builder.HasIndex(e => e.PropertyName)
               .HasName("Index_Name")
               .IsUnique();
    }
}