JsonDocument Provides a mechanism for examining the structural content of a JSON value without automatically instantiating data values.

 JsonException Defines a custom exception object that is thrown when invalid JSON text is encountered, the defined maximum depth is passed, or the JSON text is not compatible with the type of a property on an object.

 JsonSerializerOptions Provides options to be used with .

 Utf8JsonWriter Provides a high-performance API for forward-only, non-cached writing of UTF-8 encoded JSON text.

 JsonDocumentOptions Provides the ability for the user to define custom behavior when parsing JSON to create a .

 JsonElement Represents a specific JSON value within a .

 JsonEncodedText Provides methods to transform UTF-8 or UTF-16 encoded text into a form that is suitable for JSON.

 JsonProperty Represents a single property for a JSON object.

 JsonReaderOptions Provides the ability for the user to define custom behavior when reading JSON.

 JsonReaderState Defines an opaque type that holds and saves all the relevant state information, which must be provided to the to continue reading after processing incomplete data.

 JsonWriterOptions Allows the user to define custom behavior when writing JSON using the .

 Utf8JsonReader Provides a high-performance API for forward-only, read-only access to UTF-8 encoded JSON text.

 JsonCommentHandling Defines how the struct handles comments.

 JsonSerializerDefaults Specifies scenario-based default serialization options that can be used to construct a instance.

 JsonTokenType Defines the various JSON tokens that make up a JSON text.

 JsonValueKind Specifies the data type of a JSON value.

 JsonSerializer Provides functionality to serialize objects or value types to JSON and to deserialize JSON into objects or value types.

 JsonNamingPolicy Determines the naming policy used to convert a string-based name to another format, such as a camel-casing format.