Decouple FFE from Tracing proposal

dd-java-agent/agent-bootstrap/build.gradle

@@ -23,6 +23,7 @@ dependencies {
   api project(':dd-java-agent:agent-debugger:debugger-bootstrap')
   api project(':components:environment')
   api project(':components:json')
+  api project(':products:feature-flagging:feature-flagging-config')
   api project(':products:metrics:metrics-agent')
   api libs.instrument.java
   api libs.slf4j

dd-java-agent/agent-bootstrap/src/main/java/datadog/trace/bootstrap/Agent.java

@@ -34,7 +34,6 @@
 import datadog.trace.api.config.CrashTrackingConfig;
 import datadog.trace.api.config.CwsConfig;
 import datadog.trace.api.config.DebuggerConfig;
-import datadog.trace.api.config.FeatureFlaggingConfig;
 import datadog.trace.api.config.GeneralConfig;
 import datadog.trace.api.config.IastConfig;
 import datadog.trace.api.config.JmxFetchConfig;
@@ -44,6 +43,7 @@
 import datadog.trace.api.config.TraceInstrumentationConfig;
 import datadog.trace.api.config.TracerConfig;
 import datadog.trace.api.config.UsmConfig;
+import datadog.trace.api.featureflag.config.FeatureFlaggingConfig;
 import datadog.trace.api.gateway.RequestContextSlot;
 import datadog.trace.api.gateway.SubscriptionService;
 import datadog.trace.api.git.EmbeddedGitInfoBuilder;

dd-trace-api/build.gradle.kts

@@ -38,7 +38,6 @@ extra["excludedClassesCoverage"] = listOf(
   "datadog.trace.api.civisibility.noop.NoOpDDTestSession",
   "datadog.trace.api.civisibility.noop.NoOpDDTestSuite",
   "datadog.trace.api.config.AIGuardConfig",
-  "datadog.trace.api.config.FeatureFlaggingConfig",
   "datadog.trace.api.config.ProfilingConfig",
   "datadog.trace.api.interceptor.MutableSpan",
   "datadog.trace.api.profiling.Profiling",

products/feature-flagging/feature-flagging-api/build.gradle.kts

@@ -44,16 +44,12 @@ dependencies {
   api("dev.openfeature:sdk:1.20.1")
 
   compileOnly(project(":products:feature-flagging:feature-flagging-bootstrap"))
+  compileOnly(project(":products:feature-flagging:feature-flagging-config"))
   compileOnly(project(":utils:config-utils"))
-  // Public config constants (FeatureFlaggingConfig). dd-trace-api is the customer-facing public API,
-  // so this is a valid product-API dependency (previously reached transitively via :internal-api).
-  // compileOnly: the constant is inlined, and the agent runtime provides the class.
-  compileOnly(project(":dd-trace-api"))
   compileOnly("io.opentelemetry:opentelemetry-api:1.47.0")
 
   testImplementation(project(":products:feature-flagging:feature-flagging-bootstrap"))
   testImplementation(project(":utils:config-utils"))
-  testImplementation(project(":dd-trace-api"))
   testImplementation("io.opentelemetry:opentelemetry-api:1.47.0")
   testImplementation(libs.bundles.junit5)
   testImplementation(libs.bundles.mockito)

products/feature-flagging/feature-flagging-api/src/main/java/datadog/trace/api/openfeature/DDEvaluator.java

@@ -2,8 +2,8 @@
 
 import static java.util.Arrays.asList;
 
-import datadog.trace.api.config.FeatureFlaggingConfig;
 import datadog.trace.api.featureflag.FeatureFlaggingGateway;
+import datadog.trace.api.featureflag.config.FeatureFlaggingConfig;
 import datadog.trace.api.featureflag.exposure.ExposureEvent;
 import datadog.trace.api.featureflag.exposure.Subject;
 import datadog.trace.api.featureflag.ufc.v1.Allocation;

products/feature-flagging/feature-flagging-api/src/main/java/datadog/trace/api/openfeature/Provider.java

@@ -2,7 +2,7 @@
 
 import static java.util.concurrent.TimeUnit.SECONDS;
 
-import datadog.trace.api.config.FeatureFlaggingConfig;
+import datadog.trace.api.featureflag.config.FeatureFlaggingConfig;
 import datadog.trace.bootstrap.config.provider.ConfigProvider;
 import de.thetaphi.forbiddenapis.SuppressForbidden;
 import dev.openfeature.sdk.ErrorCode;

products/feature-flagging/feature-flagging-config/build.gradle.kts

@@ -0,0 +1,12 @@
+plugins {
+  `java-library`
+}
+
+apply(from = "$rootDir/gradle/java.gradle")
+
+description = "Feature flagging configuration keys (compile-time constants)"
+
+extra["excludedClassesCoverage"] = listOf(
+  // Constants-only holder — no executable logic to cover.
+  "datadog.trace.api.featureflag.config.FeatureFlaggingConfig",
+)

products/feature-flagging/feature-flagging-config/gradle.lockfile

@@ -0,0 +1,75 @@
+# This is a Gradle generated file for dependency locking.
+# Manual edits can break the build and are not advised.
+# This file is expected to be part of source control.
+# To regenerate this file, run: ./gradlew :products:feature-flagging:feature-flagging-config:dependencies --write-locks
+ch.qos.logback:logback-classic:1.2.13=testCompileClasspath,testRuntimeClasspath
+ch.qos.logback:logback-core:1.2.13=testCompileClasspath,testRuntimeClasspath
+com.github.javaparser:javaparser-core:3.25.6=codenarc
+com.github.spotbugs:spotbugs-annotations:4.9.8=compileClasspath,spotbugs
+com.github.spotbugs:spotbugs:4.9.8=spotbugs
+com.github.stephenc.jcip:jcip-annotations:1.0-1=spotbugs
+com.google.code.findbugs:jsr305:3.0.2=compileClasspath,spotbugs,testCompileClasspath,testRuntimeClasspath
+com.google.code.gson:gson:2.13.2=spotbugs
+com.google.errorprone:error_prone_annotations:2.41.0=spotbugs
+com.thoughtworks.qdox:qdox:1.12.1=codenarc
+commons-io:commons-io:2.20.0=spotbugs
+de.thetaphi:forbiddenapis:3.10=compileClasspath
+io.leangen.geantyref:geantyref:1.3.16=testRuntimeClasspath
+jaxen:jaxen:2.0.0=spotbugs
+net.bytebuddy:byte-buddy-agent:1.12.8=testRuntimeClasspath
+net.bytebuddy:byte-buddy:1.12.8=testRuntimeClasspath
+net.sf.saxon:Saxon-HE:12.9=spotbugs
+org.apache.ant:ant-antlr:1.10.14=codenarc
+org.apache.ant:ant-junit:1.10.14=codenarc
+org.apache.bcel:bcel:6.11.0=spotbugs
+org.apache.commons:commons-lang3:3.19.0=spotbugs
+org.apache.commons:commons-text:1.14.0=spotbugs
+org.apache.logging.log4j:log4j-api:2.25.2=spotbugs
+org.apache.logging.log4j:log4j-core:2.25.2=spotbugs
+org.apiguardian:apiguardian-api:1.1.2=testCompileClasspath,testRuntimeClasspath
+org.codehaus.groovy:groovy-ant:3.0.23=codenarc
+org.codehaus.groovy:groovy-docgenerator:3.0.23=codenarc
+org.codehaus.groovy:groovy-groovydoc:3.0.23=codenarc
+org.codehaus.groovy:groovy-json:3.0.23=codenarc
+org.codehaus.groovy:groovy-json:3.0.25=testCompileClasspath,testRuntimeClasspath
+org.codehaus.groovy:groovy-templates:3.0.23=codenarc
+org.codehaus.groovy:groovy-xml:3.0.23=codenarc
+org.codehaus.groovy:groovy:3.0.23=codenarc
+org.codehaus.groovy:groovy:3.0.25=testCompileClasspath,testRuntimeClasspath
+org.codenarc:CodeNarc:3.7.0=codenarc
+org.dom4j:dom4j:2.2.0=spotbugs
+org.gmetrics:GMetrics:2.1.0=codenarc
+org.hamcrest:hamcrest:3.0=testCompileClasspath,testRuntimeClasspath
+org.jacoco:org.jacoco.agent:0.8.14=jacocoAgent,jacocoAnt
+org.jacoco:org.jacoco.ant:0.8.14=jacocoAnt
+org.jacoco:org.jacoco.core:0.8.14=jacocoAnt
+org.jacoco:org.jacoco.report:0.8.14=jacocoAnt
+org.junit.jupiter:junit-jupiter-api:5.14.1=testCompileClasspath,testRuntimeClasspath
+org.junit.jupiter:junit-jupiter-engine:5.14.1=testRuntimeClasspath
+org.junit.jupiter:junit-jupiter-params:5.14.1=testCompileClasspath,testRuntimeClasspath
+org.junit.jupiter:junit-jupiter:5.14.1=testCompileClasspath,testRuntimeClasspath
+org.junit.platform:junit-platform-commons:1.14.1=testCompileClasspath,testRuntimeClasspath
+org.junit.platform:junit-platform-engine:1.14.1=testCompileClasspath,testRuntimeClasspath
+org.junit.platform:junit-platform-launcher:1.14.1=testRuntimeClasspath
+org.junit:junit-bom:5.14.0=spotbugs
+org.junit:junit-bom:5.14.1=testCompileClasspath,testRuntimeClasspath
+org.mockito:mockito-core:4.4.0=testRuntimeClasspath
+org.objenesis:objenesis:3.3=testCompileClasspath,testRuntimeClasspath
+org.opentest4j:opentest4j:1.3.0=testCompileClasspath,testRuntimeClasspath
+org.ow2.asm:asm-analysis:9.9=spotbugs
+org.ow2.asm:asm-commons:9.9=jacocoAnt,spotbugs
+org.ow2.asm:asm-tree:9.9=jacocoAnt,spotbugs
+org.ow2.asm:asm-util:9.9=spotbugs
+org.ow2.asm:asm:9.9=jacocoAnt,spotbugs
+org.slf4j:jcl-over-slf4j:1.7.30=testCompileClasspath,testRuntimeClasspath
+org.slf4j:jul-to-slf4j:1.7.30=testCompileClasspath,testRuntimeClasspath
+org.slf4j:log4j-over-slf4j:1.7.30=testCompileClasspath,testRuntimeClasspath
+org.slf4j:slf4j-api:1.7.32=testCompileClasspath,testRuntimeClasspath
+org.slf4j:slf4j-api:2.0.17=spotbugs,spotbugsSlf4j
+org.slf4j:slf4j-simple:2.0.17=spotbugsSlf4j
+org.spockframework:spock-bom:2.4-groovy-3.0=testCompileClasspath,testRuntimeClasspath
+org.spockframework:spock-core:2.4-groovy-3.0=testCompileClasspath,testRuntimeClasspath
+org.tabletest:tabletest-junit:1.2.1=testCompileClasspath,testRuntimeClasspath
+org.tabletest:tabletest-parser:1.2.0=testCompileClasspath,testRuntimeClasspath
+org.xmlresolver:xmlresolver:5.3.3=spotbugs
+empty=annotationProcessor,runtimeClasspath,spotbugsPlugins,testAnnotationProcessor

dd-trace-api/src/main/java/datadog/trace/api/config/FeatureFlaggingConfig.java → products/feature-flagging/feature-flagging-config/src/main/java/datadog/trace/api/featureflag/config/FeatureFlaggingConfig.java

@@ -1,4 +1,4 @@
-package datadog.trace.api.config;
+package datadog.trace.api.featureflag.config;
 
 public class FeatureFlaggingConfig {
 

settings.gradle.kts

@@ -161,6 +161,7 @@ include(
   ":products:feature-flagging:feature-flagging-agent",
   ":products:feature-flagging:feature-flagging-api",
   ":products:feature-flagging:feature-flagging-bootstrap",
+  ":products:feature-flagging:feature-flagging-config",
   ":products:feature-flagging:feature-flagging-lib"
 )