dotnet-core/release-notes/3.0/preview/api-diff/preview5/3.0-preview5_System.Text.Json.md

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# System.Text.Json
``` diff
namespace System.Text.Json {
public readonly struct JsonElement {
+ public JsonElement Clone();
- public void WriteAsProperty(ReadOnlySpan<byte> utf8PropertyName, ref Utf8JsonWriter writer);
+ public void WriteAsProperty(ReadOnlySpan<byte> utf8PropertyName, Utf8JsonWriter writer);
- public void WriteAsProperty(ReadOnlySpan<char> propertyName, ref Utf8JsonWriter writer);
+ public void WriteAsProperty(ReadOnlySpan<char> propertyName, Utf8JsonWriter writer);
- public void WriteAsValue(ref Utf8JsonWriter writer);
+ public void WriteAsValue(Utf8JsonWriter writer);
}
- public struct JsonWriterState {
{
- public JsonWriterState(JsonWriterOptions options = default(JsonWriterOptions));
- public long BytesCommitted { get; }
- public long BytesWritten { get; }
- public JsonWriterOptions Options { get; }
- }
- public ref struct Utf8JsonWriter {
+ public sealed class Utf8JsonWriter : IAsyncDisposable, IDisposable {
+ public Utf8JsonWriter(IBufferWriter<byte> bufferWriter, JsonWriterOptions options = default(JsonWriterOptions));
- public Utf8JsonWriter(IBufferWriter<byte> bufferWriter, JsonWriterState state = default(JsonWriterState));
+ public Utf8JsonWriter(Stream utf8Json, JsonWriterOptions options = default(JsonWriterOptions));
+ public int BytesPending { get; }
- public long BytesWritten { get; }
+ public JsonWriterOptions Options { get; }
+ public void Dispose();
+ public ValueTask DisposeAsync();
+ public void Flush();
- public void Flush(bool isFinalBlock = true);
+ public Task FlushAsync(CancellationToken cancellationToken = default(CancellationToken));
- public JsonWriterState GetCurrentState();
+ public void Reset();
+ public void Reset(IBufferWriter<byte> bufferWriter);
+ public void Reset(Stream utf8Json);
+ public void WriteBoolean(ReadOnlySpan<byte> utf8PropertyName, bool value);
- public void WriteBoolean(ReadOnlySpan<byte> utf8PropertyName, bool value, bool escape = true);
+ public void WriteBoolean(ReadOnlySpan<char> propertyName, bool value);
- public void WriteBoolean(ReadOnlySpan<char> propertyName, bool value, bool escape = true);
+ public void WriteBoolean(string propertyName, bool value);
- public void WriteBoolean(string propertyName, bool value, bool escape = true);
+ public void WriteCommentValue(ReadOnlySpan<byte> utf8Value);
- public void WriteCommentValue(ReadOnlySpan<byte> utf8Value, bool escape = true);
+ public void WriteCommentValue(ReadOnlySpan<char> value);
- public void WriteCommentValue(ReadOnlySpan<char> value, bool escape = true);
+ public void WriteCommentValue(string value);
- public void WriteCommentValue(string value, bool escape = true);
+ public void WriteNull(ReadOnlySpan<byte> utf8PropertyName);
- public void WriteNull(ReadOnlySpan<byte> utf8PropertyName, bool escape = true);
+ public void WriteNull(ReadOnlySpan<char> propertyName);
- public void WriteNull(ReadOnlySpan<char> propertyName, bool escape = true);
+ public void WriteNull(string propertyName);
- public void WriteNull(string propertyName, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, decimal value);
- public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, decimal value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, double value);
- public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, double value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, int value);
- public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, int value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, long value);
- public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, long value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, float value);
- public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, float value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, uint value);
- public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, uint value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, ulong value);
- public void WriteNumber(ReadOnlySpan<byte> utf8PropertyName, ulong value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<char> propertyName, decimal value);
- public void WriteNumber(ReadOnlySpan<char> propertyName, decimal value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<char> propertyName, double value);
- public void WriteNumber(ReadOnlySpan<char> propertyName, double value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<char> propertyName, int value);
- public void WriteNumber(ReadOnlySpan<char> propertyName, int value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<char> propertyName, long value);
- public void WriteNumber(ReadOnlySpan<char> propertyName, long value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<char> propertyName, float value);
- public void WriteNumber(ReadOnlySpan<char> propertyName, float value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<char> propertyName, uint value);
- public void WriteNumber(ReadOnlySpan<char> propertyName, uint value, bool escape = true);
+ public void WriteNumber(ReadOnlySpan<char> propertyName, ulong value);
- public void WriteNumber(ReadOnlySpan<char> propertyName, ulong value, bool escape = true);
+ public void WriteNumber(string propertyName, decimal value);
- public void WriteNumber(string propertyName, decimal value, bool escape = true);
+ public void WriteNumber(string propertyName, double value);
- public void WriteNumber(string propertyName, double value, bool escape = true);
+ public void WriteNumber(string propertyName, int value);
- public void WriteNumber(string propertyName, int value, bool escape = true);
+ public void WriteNumber(string propertyName, long value);
- public void WriteNumber(string propertyName, long value, bool escape = true);
+ public void WriteNumber(string propertyName, float value);
- public void WriteNumber(string propertyName, float value, bool escape = true);
+ public void WriteNumber(string propertyName, uint value);
- public void WriteNumber(string propertyName, uint value, bool escape = true);
+ public void WriteNumber(string propertyName, ulong value);
- public void WriteNumber(string propertyName, ulong value, bool escape = true);
+ public void WriteStartArray(ReadOnlySpan<byte> utf8PropertyName);
- public void WriteStartArray(ReadOnlySpan<byte> utf8PropertyName, bool escape = true);
+ public void WriteStartArray(ReadOnlySpan<char> propertyName);
- public void WriteStartArray(ReadOnlySpan<char> propertyName, bool escape = true);
+ public void WriteStartArray(string propertyName);
- public void WriteStartArray(string propertyName, bool escape = true);
+ public void WriteStartObject(ReadOnlySpan<byte> utf8PropertyName);
- public void WriteStartObject(ReadOnlySpan<byte> utf8PropertyName, bool escape = true);
+ public void WriteStartObject(ReadOnlySpan<char> propertyName);
- public void WriteStartObject(ReadOnlySpan<char> propertyName, bool escape = true);
+ public void WriteStartObject(string propertyName);
- public void WriteStartObject(string propertyName, bool escape = true);
+ public void WriteString(ReadOnlySpan<byte> utf8PropertyName, DateTime value);
- public void WriteString(ReadOnlySpan<byte> utf8PropertyName, DateTime value, bool escape = true);
+ public void WriteString(ReadOnlySpan<byte> utf8PropertyName, DateTimeOffset value);
- public void WriteString(ReadOnlySpan<byte> utf8PropertyName, DateTimeOffset value, bool escape = true);
+ public void WriteString(ReadOnlySpan<byte> utf8PropertyName, Guid value);
- public void WriteString(ReadOnlySpan<byte> utf8PropertyName, Guid value, bool escape = true);
+ public void WriteString(ReadOnlySpan<byte> utf8PropertyName, ReadOnlySpan<byte> utf8Value);
- public void WriteString(ReadOnlySpan<byte> utf8PropertyName, ReadOnlySpan<byte> utf8Value, bool escape = true);
+ public void WriteString(ReadOnlySpan<byte> utf8PropertyName, ReadOnlySpan<char> value);
- public void WriteString(ReadOnlySpan<byte> utf8PropertyName, ReadOnlySpan<char> value, bool escape = true);
+ public void WriteString(ReadOnlySpan<byte> utf8PropertyName, string value);
- public void WriteString(ReadOnlySpan<byte> utf8PropertyName, string value, bool escape = true);
+ public void WriteString(ReadOnlySpan<char> propertyName, DateTime value);
- public void WriteString(ReadOnlySpan<char> propertyName, DateTime value, bool escape = true);
+ public void WriteString(ReadOnlySpan<char> propertyName, DateTimeOffset value);
- public void WriteString(ReadOnlySpan<char> propertyName, DateTimeOffset value, bool escape = true);
+ public void WriteString(ReadOnlySpan<char> propertyName, Guid value);
- public void WriteString(ReadOnlySpan<char> propertyName, Guid value, bool escape = true);
+ public void WriteString(ReadOnlySpan<char> propertyName, ReadOnlySpan<byte> utf8Value);
- public void WriteString(ReadOnlySpan<char> propertyName, ReadOnlySpan<byte> utf8Value, bool escape = true);
+ public void WriteString(ReadOnlySpan<char> propertyName, ReadOnlySpan<char> value);
- public void WriteString(ReadOnlySpan<char> propertyName, ReadOnlySpan<char> value, bool escape = true);
+ public void WriteString(ReadOnlySpan<char> propertyName, string value);
- public void WriteString(ReadOnlySpan<char> propertyName, string value, bool escape = true);
+ public void WriteString(string propertyName, DateTime value);
- public void WriteString(string propertyName, DateTime value, bool escape = true);
+ public void WriteString(string propertyName, DateTimeOffset value);
- public void WriteString(string propertyName, DateTimeOffset value, bool escape = true);
+ public void WriteString(string propertyName, Guid value);
- public void WriteString(string propertyName, Guid value, bool escape = true);
+ public void WriteString(string propertyName, ReadOnlySpan<byte> utf8Value);
- public void WriteString(string propertyName, ReadOnlySpan<byte> utf8Value, bool escape = true);
+ public void WriteString(string propertyName, ReadOnlySpan<char> value);
- public void WriteString(string propertyName, ReadOnlySpan<char> value, bool escape = true);
+ public void WriteString(string propertyName, string value);
- public void WriteString(string propertyName, string value, bool escape = true);
+ public void WriteStringValue(ReadOnlySpan<byte> utf8Value);
- public void WriteStringValue(ReadOnlySpan<byte> utf8Value, bool escape = true);
+ public void WriteStringValue(ReadOnlySpan<char> value);
- public void WriteStringValue(ReadOnlySpan<char> value, bool escape = true);
+ public void WriteStringValue(string value);
- public void WriteStringValue(string value, bool escape = true);
}
}
```