Помогите исправить Скрипт на Unity

у меня ошибка CS1003 помогите её исправить вот код:
using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine.Scripting;
using cq;
using cu;
using cz;
using dr;

namespace dh
{
[Preserve]
public abstract class ES3CollectionType : ES3Type
{
public ES3Type giq;

public abstract object Read(ES3Reader reader);

[Preserve]
public virtual void hhv(object obj, ES3Writer writer)
{
}

public abstract void Write(object obj, ES3Writer writer, ES3.ReferenceMode memberReferenceMode);

public ES3CollectionType(Type type)
: base(null)
{
}

[Preserve]
protected virtual void dfi(ES3Reader ICollection ES3Type c)
{
}

protected virtual bool dfg (ES3Reader ICollection ES3Type c)
{
return false;
}

[Preserve]
public virtual void fdz(object obj, ES3Writer writer)
{
}

public abstract void ReadInto(ES3Reader reader, object obj);

[Preserve]
public virtual void jan(object obj, ES3Writer writer)
{
}

[Preserve]
public virtual void nza(object obj, ES3Writer writer)
{
}

[Preserve]
public override void Write(object obj, ES3Writer writer)
{
}
}
}