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// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
// Code generated by Microsoft (R) AutoRest Code Generator.

package com.azure.messaging.eventgrid.systemevents;

import com.azure.core.annotation.Fluent;
import com.azure.json.JsonReader;
import com.azure.json.JsonSerializable;
import com.azure.json.JsonToken;
import com.azure.json.JsonWriter;
import java.io.IOException;

/**
 * Metadata information for the properties JSON document.
 */
@Fluent
public final class DeviceTwinMetadata implements JsonSerializable {
    /*
     * The ISO8601 timestamp of the last time the properties were updated.
     */
    private String lastUpdated;

    /**
     * Creates an instance of DeviceTwinMetadata class.
     */
    public DeviceTwinMetadata() {
    }

    /**
     * Get the lastUpdated property: The ISO8601 timestamp of the last time the properties were updated.
     * 
     * @return the lastUpdated value.
     */
    public String getLastUpdated() {
        return this.lastUpdated;
    }

    /**
     * Set the lastUpdated property: The ISO8601 timestamp of the last time the properties were updated.
     * 
     * @param lastUpdated the lastUpdated value to set.
     * @return the DeviceTwinMetadata object itself.
     */
    public DeviceTwinMetadata setLastUpdated(String lastUpdated) {
        this.lastUpdated = lastUpdated;
        return this;
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public JsonWriter toJson(JsonWriter jsonWriter) throws IOException {
        jsonWriter.writeStartObject();
        jsonWriter.writeStringField("lastUpdated", this.lastUpdated);
        return jsonWriter.writeEndObject();
    }

    /**
     * Reads an instance of DeviceTwinMetadata from the JsonReader.
     * 
     * @param jsonReader The JsonReader being read.
     * @return An instance of DeviceTwinMetadata if the JsonReader was pointing to an instance of it, or null if it was
     * pointing to JSON null.
     * @throws IOException If an error occurs while reading the DeviceTwinMetadata.
     */
    public static DeviceTwinMetadata fromJson(JsonReader jsonReader) throws IOException {
        return jsonReader.readObject(reader -> {
            DeviceTwinMetadata deserializedDeviceTwinMetadata = new DeviceTwinMetadata();
            while (reader.nextToken() != JsonToken.END_OBJECT) {
                String fieldName = reader.getFieldName();
                reader.nextToken();

                if ("lastUpdated".equals(fieldName)) {
                    deserializedDeviceTwinMetadata.lastUpdated = reader.getString();
                } else {
                    reader.skipChildren();
                }
            }

            return deserializedDeviceTwinMetadata;
        });
    }
}