doc: fix missing Javadoc tag warning in CtImport (#6171)

src/main/java/spoon/reflect/declaration/CtImport.java

@@ -34,26 +34,31 @@
  */
 public interface CtImport extends CtElement {
 	/**
-	 * Returns the kind of import (see {@link CtImportKind})
+	 * {@return The kind of import (see {@link CtImportKind})}
 	 */
 	@DerivedProperty
 	CtImportKind getImportKind();
 
 	/**
-	 * Returns the reference of the import.
+	 * {@return The reference of the import}
 	 */
 	@PropertyGetter(role = IMPORT_REFERENCE)
 	CtReference getReference();
 
 	/**
 	 * Sets the reference of the import.
 	 * The import kind will be computed based on this reference.
+	 *
+	 * @param reference The {@link CtReference} to be set for the import
+	 * @param <T> The import kind determined based on the provided {@link CtReference}
+	 * @return The determined import kind
 	 */
 	@PropertySetter(role = IMPORT_REFERENCE)
 	<T extends CtImport> T setReference(CtReference reference);
 
 	/**
 	 * Accepts a {@link CtImportVisitor}
+	 * @param visitor The {@link CtImportVisitor} to be accepted.
 	 */
 	void accept(CtImportVisitor visitor);