# Class NpgsqlLTreeTypeMapping.JsonLTreeReaderWriter

Namespace
  Npgsql.EntityFrameworkCore.PostgreSQL.Storage.Internal.Mapping

Assembly
  Npgsql.EntityFrameworkCore.PostgreSQL.dll

This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.

    public sealed class NpgsqlLTreeTypeMapping.JsonLTreeReaderWriter : JsonValueReaderWriter<LTree>

Inheritance
  object
  JsonValueReaderWriter
  JsonValueReaderWriter<LTree>
  NpgsqlLTreeTypeMapping.JsonLTreeReaderWriter

Inherited Members
  JsonValueReaderWriter<LTree>.FromJson(ref Utf8JsonReaderManager, object)
  JsonValueReaderWriter<LTree>.ToJson(Utf8JsonWriter, object)
  JsonValueReaderWriter<LTree>.ValueType
  JsonValueReaderWriter.FromJsonString(string, object)
  JsonValueReaderWriter.ToJsonString(object)
  JsonValueReaderWriter.ToJsonObjectString(string, object)
  JsonValueReaderWriter.CreateFromType(Type)
  object.Equals(object)
  object.Equals(object, object)
  object.GetHashCode()
  object.GetType()
  object.ReferenceEquals(object, object)
  object.ToString()

## Properties

### ConstructorExpression

The expression representing construction of this object.

    public override Expression ConstructorExpression { get; }

#### Property Value

Expression

### Instance

This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.

    public static NpgsqlLTreeTypeMapping.JsonLTreeReaderWriter Instance { get; }

#### Property Value

NpgsqlLTreeTypeMapping.JsonLTreeReaderWriter

## Methods

### FromJsonTyped(ref Utf8JsonReaderManager, object?)

This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.

    public override LTree FromJsonTyped(ref Utf8JsonReaderManager manager, object? existingObject = null)

#### Parameters

`manager` Utf8JsonReaderManager
`existingObject` object

#### Returns

LTree

### ToJsonTyped(Utf8JsonWriter, LTree)

This is an internal API that supports the Entity Framework Core infrastructure and not subject to the same compatibility standards as public APIs. It may be changed or removed without notice in any release. You should only use it directly in your code with extreme caution and knowing that doing so can result in application failures when updating to a new Entity Framework Core release.

    public override void ToJsonTyped(Utf8JsonWriter writer, LTree value)

#### Parameters

`writer` Utf8JsonWriter
`value` LTree