(WIP) try workaround

.azure-pipelines/azure-pipelines.yml

diff --git a/.azure-pipelines/azure-pipelines.yml b/.azure-pipelines/azure-pipelines.yml
index 374cd34..4bcaed3 100644
--- a/.azure-pipelines/azure-pipelines.yml
+++ b/.azure-pipelines/azure-pipelines.yml
@@ -4,60 +4,6 @@
     matrix:
       JDK 5:
         JDK_VERSION: 5
-      JDK 6:
-        JDK_VERSION: 6
-      JDK 7:
-        JDK_VERSION: 7
-      JDK 8:
-        JDK_VERSION: 8
-      JDK 9:
-        JDK_VERSION: 9
-      JDK 10:
-        JDK_VERSION: 10
-      JDK 11:
-        JDK_VERSION: 11
-      JDK 11 with ECJ:
-        JDK_VERSION: 11
-        ECJ: true
-      JDK 12:
-        JDK_VERSION: 12
-      JDK 13:
-        JDK_VERSION: 13
-      JDK 14:
-        JDK_VERSION: 14
-      JDK 15:
-        JDK_VERSION: 15
-      JDK 16:
-        JDK_VERSION: 16
-      JDK 17:
-        JDK_VERSION: 17
-      JDK 17 with ECJ:
-        JDK_VERSION: 17
-        ECJ: true
-      JDK 18:
-        JDK_VERSION: 18
-      JDK 19:
-        JDK_VERSION: 19
-      JDK 20:
-        JDK_VERSION: 20
-      JDK 21:
-        JDK_VERSION: 21
-      JDK 21 with ECJ:
-        JDK_VERSION: 21
-        ECJ: true
-      JDK 22:
-        JDK_VERSION: 22
-      JDK 23:
-        JDK_VERSION: 23
-      JDK 23 with ECJ:
-        JDK_VERSION: 23
-        ECJ: true
-      JDK 24:
-        JDK_VERSION: 24
-      JDK 25:
-        JDK_VERSION: 25
-      JDK 26:
-        JDK_VERSION: 26
   pool:
     vmImage: 'ubuntu-24.04'
   steps:

jacoco-maven-plugin/pom.xml

diff --git a/jacoco-maven-plugin/pom.xml b/jacoco-maven-plugin/pom.xml
index 3c5a709..950e386 100644
--- a/jacoco-maven-plugin/pom.xml
+++ b/jacoco-maven-plugin/pom.xml
@@ -36,6 +36,12 @@
     <maven.compiler.release>8</maven.compiler.release>
     <maven.compiler.source>8</maven.compiler.source>
     <maven.compiler.target>8</maven.compiler.target>
+    <!--
+    Parent pom configures maven-javadoc-plugin in accordance with JDK selected by maven-toolchains-plugin,
+    however this module does not use maven-toolchains-plugin, so should reconfigure maven-javadoc-plugin:
+    -->
+    <javadoc.bootclasspath1>-quiet</javadoc.bootclasspath1>
+    <javadoc.bootclasspath2>-quiet</javadoc.bootclasspath2>
   </properties>
 
   <dependencies>

org.jacoco.build/jdk5/java/lang/Deprecated.class

diff --git a/org.jacoco.build/jdk5/java/lang/Deprecated.class b/org.jacoco.build/jdk5/java/lang/Deprecated.class
new file mode 100644
index 0000000..be9b94a
--- /dev/null
+++ b/org.jacoco.build/jdk5/java/lang/Deprecated.class
Binary files differ

org.jacoco.build/jdk5/java/lang/Deprecated.java

diff --git a/org.jacoco.build/jdk5/java/lang/Deprecated.java b/org.jacoco.build/jdk5/java/lang/Deprecated.java
new file mode 100644
index 0000000..a6b5486
--- /dev/null
+++ b/org.jacoco.build/jdk5/java/lang/Deprecated.java
@@ -0,0 +1,5 @@
+package java.lang;
+
+public @interface Deprecated {
+    boolean forRemoval() default false;
+}

org.jacoco.build/pom.xml

diff --git a/org.jacoco.build/pom.xml b/org.jacoco.build/pom.xml
index cd97c70..f8b3289 100644
--- a/org.jacoco.build/pom.xml
+++ b/org.jacoco.build/pom.xml
@@ -138,6 +138,9 @@
     <jvm.args></jvm.args>
     <argLine>${jvm.args}</argLine>
 
+    <javadoc.bootclasspath1>-quiet</javadoc.bootclasspath1>
+    <javadoc.bootclasspath2>-quiet</javadoc.bootclasspath2>
+
     <!-- Dependencies versions -->
     <asm.version>9.9.1</asm.version>
     <ant.version>1.9.16</ant.version>
@@ -357,6 +360,10 @@
           <configuration>
             <quiet>true</quiet>
             <detectOfflineLinks>false</detectOfflineLinks>
+            <additionalOptions>
+              <option>${javadoc.bootclasspath1}</option>
+              <option>${javadoc.bootclasspath2}</option>
+            </additionalOptions>
           </configuration>
         </plugin>
         <plugin>
@@ -599,7 +606,7 @@
             </goals>
             <configuration>
               <target>
-                <fileset dir="${basedir}" includes="**/*.java,**/*.xml,**/*.bsh" excludes="target/**,.idea/**,nb-configuration.xml" id="missinglicense.fileset">
+                <fileset dir="${basedir}" includes="src/**/*.java,**/*.xml,**/*.bsh" excludes="target/**,.idea/**,nb-configuration.xml" id="missinglicense.fileset">
                   <include name="**/*.kt"/>
                   <include name="**/*.groovy"/>
                   <include name="**/*.scala"/>
@@ -1014,6 +1021,33 @@
     -->
 
     <profile>
+      <id>jdk5</id>
+      <activation>
+        <property>
+          <name>jdk.version</name>
+          <value>5</value>
+        </property>
+      </activation>
+      <properties>
+        <javadoc.bootclasspath1>-bootclasspath</javadoc.bootclasspath1>
+        <javadoc.bootclasspath2>${project.basedir}/../org.jacoco.build/jdk5:${project.basedir}/../.jdk/jre/lib/rt.jar</javadoc.bootclasspath2>
+      </properties>
+      <build>
+        <plugins>
+          <plugin>
+            <groupId>org.apache.maven.plugins</groupId>
+            <artifactId>maven-compiler-plugin</artifactId>
+            <configuration>
+              <compilerArgs>
+                <arg>-Xbootclasspath/p:${project.basedir}/../org.jacoco.build/jdk5</arg>
+              </compilerArgs>
+            </configuration>
+          </plugin>
+        </plugins>
+      </build>
+    </profile>
+
+    <profile>
       <id>jdk6</id>
       <activation>
         <property>