Fix unused import false positive in kdoc - closes#201

detekt-formatting/src/main/kotlin/io/gitlab/arturbosch/detekt/formatting/UnusedImports.kt

@@ -64,11 +64,18 @@ class UnusedImports(config: Config) : Rule(config) {
 		dcl.docComment?.getDefaultSection()?.getContent()?.let {
 			kotlinDocReferencesRegExp.findAll(it, 0)
 					.map { it.groupValues[1] }
-					.forEach { imports.removeIf { pair -> pair.second.identifier() == it } }
+					.forEach { checkImports(it) }
 		}
 		super.visitDeclaration(dcl)
 	}
 
+	private fun checkImports(it: String) {
+		imports.removeIf { pair ->
+			val identifier = pair.second.identifier()
+			identifier != null && it.startsWith(identifier)
+		}
+	}
+
 	private fun KtImportDirective.identifier() = this.importPath?.importedName?.identifier
 
 }

detekt-formatting/src/test/kotlin/io/gitlab/arturbosch/detekt/formatting/UnusedImportsTest.kt

@@ -10,10 +10,12 @@ import org.junit.jupiter.api.Test
 
 /**
  * @author Shyiko
+ * @author Artur Bosch
+ * @author Mauin
  */
 class UnusedImportsTest : RuleTest {
 
-	override val rule: Rule = UnusedImports(Config.Companion.empty)
+	override val rule: Rule = UnusedImports(Config.empty)
 
 	@Test
 	fun infixOperators() {
@@ -73,6 +75,27 @@ class UnusedImportsTest : RuleTest {
 		)).hasSize(1)
 	}
 
+	@Test
+	fun considerKdocReferencesWithMethodCalls() {
+		val code = """
+			package com.example
+
+			import android.text.TextWatcher
+
+			class Test {
+				/**
+				 * [TextWatcher.beforeTextChanged]
+				 */
+				fun test() {
+					TODO()
+				}
+			}
+		"""
+
+		assertThat(rule.lint(code)).hasSize(0)
+	}
+
+
 	@Test
 	fun testLint() {
 		assertThat(rule.lint(