Maintain old variable for a bit

Author: manuel-alvarez-alvarez

dd-trace-api/src/main/java/datadog/trace/api/config/AppSecConfig.java

@@ -32,6 +32,8 @@ public final class AppSecConfig {
       "api-security.endpoint.collection.enabled";
   public static final String API_SECURITY_ENDPOINT_COLLECTION_MESSAGE_LIMIT =
       "api-security.endpoint.collection.message.limit";
+  public static final String API_SECURITY_DOWNSTREAM_REQUEST_ANALYSIS_SAMPLE_RATE =
+      "api-security.downstream.request.analysis.sample_rate";
   public static final String API_SECURITY_DOWNSTREAM_REQUEST_BODY_ANALYSIS_SAMPLE_RATE =
       "api-security.downstream.request.body.analysis.sample_rate";
   public static final String API_SECURITY_MAX_DOWNSTREAM_REQUEST_BODY_ANALYSIS =

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

@@ -2149,7 +2149,8 @@ PROFILING_DATADOG_PROFILER_ENABLED, isDatadogProfilerSafeInCurrentEnvironment())
     apiSecurityDownstreamRequestBodyAnalysisSampleRate =
         configProvider.getDouble(
             API_SECURITY_DOWNSTREAM_REQUEST_BODY_ANALYSIS_SAMPLE_RATE,
-            DEFAULT_API_SECURITY_DOWNSTREAM_REQUEST_BODY_ANALYSIS_SAMPLE_RATE);
+            DEFAULT_API_SECURITY_DOWNSTREAM_REQUEST_BODY_ANALYSIS_SAMPLE_RATE,
+            API_SECURITY_DOWNSTREAM_REQUEST_BODY_ANALYSIS_SAMPLE_RATE);
 
     iastDebugEnabled = configProvider.getBoolean(IAST_DEBUG_ENABLED, DEFAULT_IAST_DEBUG_ENABLED);
 

utils/config-utils/src/main/java/datadog/trace/bootstrap/config/provider/ConfigProvider.java

@@ -248,6 +248,10 @@ public double getDouble(String key, double defaultValue) {
     return get(key, defaultValue, Double.class);
   }
 
+  public double getDouble(String key, double defaultValue, String... aliases) {
+    return get(key, defaultValue, Double.class, aliases);
+  }
+
   private <T> T get(String key, T defaultValue, Class<T> type, String... aliases) {
     if (collectConfig) {
       reportDefault(key, defaultValue);