Support seq_id in ConfigSetting

Author: mtoffl01

internal-api/src/main/java/datadog/trace/api/ConfigSetting.java

@@ -11,19 +11,25 @@ public final class ConfigSetting {
   public final String key;
   public final Object value;
   public final ConfigOrigin origin;
+  public final int seqId;
 
   private static final Set<String> CONFIG_FILTER_LIST =
       new HashSet<>(
           Arrays.asList("DD_API_KEY", "dd.api-key", "dd.profiling.api-key", "dd.profiling.apikey"));
 
   public static ConfigSetting of(String key, Object value, ConfigOrigin origin) {
-    return new ConfigSetting(key, value, origin);
+    return new ConfigSetting(key, value, origin, 0);
   }
 
-  private ConfigSetting(String key, Object value, ConfigOrigin origin) {
+  public static ConfigSetting of(String key, Object value, ConfigOrigin origin, int seqId) {
+    return new ConfigSetting(key, value, origin, seqId);
+  }
+
+  private ConfigSetting(String key, Object value, ConfigOrigin origin, int seqId) {
     this.key = key;
     this.value = CONFIG_FILTER_LIST.contains(key) ? "<hidden>" : value;
     this.origin = origin;
+    this.seqId = seqId;
   }
 
   public String normalizedKey() {
@@ -99,12 +105,15 @@ public boolean equals(Object o) {
     if (this == o) return true;
     if (o == null || getClass() != o.getClass()) return false;
     ConfigSetting that = (ConfigSetting) o;
-    return key.equals(that.key) && Objects.equals(value, that.value) && origin == that.origin;
+    return key.equals(that.key)
+        && Objects.equals(value, that.value)
+        && origin == that.origin
+        && seqId == that.seqId;
   }
 
   @Override
   public int hashCode() {
-    return Objects.hash(key, value, origin);
+    return Objects.hash(key, value, origin, seqId);
   }
 
   @Override
@@ -117,6 +126,8 @@ public String toString() {
         + stringValue()
         + ", origin="
         + origin
+        + ", seq_id="
+        + seqId
         + '}';
   }
 }