[java][bidi] Add BeforeRequestSent type

java/src/org/openqa/selenium/bidi/network/BeforeRequestSent.java

@@ -0,0 +1,39 @@
+package org.openqa.selenium.bidi.network;
+
+import org.openqa.selenium.json.Json;
+import org.openqa.selenium.json.JsonInput;
+
+import java.io.StringReader;
+
+public class BeforeRequestSent extends BaseParameters {
+  private static final Json JSON = new Json();
+
+  private final Initiator initiator;
+
+  private BeforeRequestSent(BaseParameters baseParameters, Initiator initiator) {
+    super(
+        baseParameters.getBrowsingContextId(),
+        baseParameters.isBlocked(),
+        baseParameters.getNavigationId(),
+        baseParameters.getRedirectCount(),
+        baseParameters.getRequest(),
+        baseParameters.getTimestamp(),
+        baseParameters.getIntercepts());
+    this.initiator = initiator;
+  }
+
+  public static BeforeRequestSent fromJsonString(String jsonString) {
+    try (StringReader baseParameterReader = new StringReader(jsonString);
+        StringReader initiatorReader = new StringReader(jsonString);
+        JsonInput baseParamsInput = JSON.newInput(baseParameterReader);
+        JsonInput initiatorInput = JSON.newInput(initiatorReader)) {
+
+      return new BeforeRequestSent(
+          BaseParameters.fromJson(baseParamsInput), Initiator.fromJson(initiatorInput));
+    }
+  }
+
+  public Initiator getInitiator() {
+    return initiator;
+  }
+}