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ef core many to many fluent api

        modelBuilder.Entity<Customer>()
            .HasMany(p => p.Colors)
            .WithMany(p => p.Customers)
            .UsingEntity<Dictionary<string, object>>(
                "CustomerColor",
                j => j
                    .HasOne<Color>()
                    .WithMany()
                    .HasForeignKey("ColorId"),
                j => j
                    .HasOne<Customer>()
                    .WithMany()
                    .HasForeignKey("CustomerId"));

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ef core many to many fluent api

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