PLUGINAPI-47 Add code variants to issues

Author: alain-kermis-sonarsource

plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/Issue.java

@@ -98,4 +98,10 @@ interface Flow {
    * @since 9.13
    */
   List<QuickFix> quickFixes();
+
+  /**
+   * @since 9.17
+   */
+  @CheckForNull
+  List<String> codeVariants();
 }

plugin-api/src/main/java/org/sonar/api/batch/sensor/issue/NewIssue.java

@@ -133,4 +133,12 @@ enum FlowType {
    */
   NewIssue setRuleDescriptionContextKey(@Nullable String ruleDescriptionContextKey);
 
+  /**
+   * Registers a list of code variants for this issue.
+   * In C and C++, it is commonplace to have multiple code variants. Two source codes are defined here as variants of each other if there
+   * is any difference in their preprocessed source code.
+   * @since 9.17
+   */
+  NewIssue setCodeVariants(@Nullable Iterable<String> codeVariants);
+
 }

plugin-api/src/main/java/org/sonar/api/issue/Issue.java

@@ -255,4 +255,10 @@ public interface Issue extends Serializable {
    * @since 5.1
    */
   Collection<String> tags();
+
+  /**
+   * @since 9.17
+   */
+  @CheckForNull
+  Collection<String> codeVariants();
 }