StreamApiMigrationInspection: improve stream source recognition

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/bufferedReader/afterBufferedReaderCollectForStyle.java

@@ -0,0 +1,14 @@
+// "Replace with collect" "true"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class Main {
+  List<String> test(BufferedReader br) throws IOException {
+      List<String> result = br.lines().map(String::trim).collect(Collectors.toList());
+      return result;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/bufferedReader/afterBufferedReaderCollectForUpdateInCondition.java

@@ -0,0 +1,14 @@
+// "Replace with collect" "true"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class Main {
+  List<String> test(BufferedReader br) throws IOException {
+      List<String> result = br.lines().map(String::trim).collect(Collectors.toList());
+      return result;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/bufferedReader/beforeBufferedReaderCollectForStyle.java

@@ -0,0 +1,16 @@
+// "Replace with collect" "true"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+  List<String> test(BufferedReader br) throws IOException {
+    List<String> result = new ArrayList<>();
+    for <caret>(String line = br.readLine(); line != null; line = br.readLine()) {
+      result.add(line.trim());
+    }
+    return result;
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/streamApiMigration/bufferedReader/beforeBufferedReaderCollectForUpdateInCondition.java

@@ -0,0 +1,16 @@
+// "Replace with collect" "true"
+
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class Main {
+  List<String> test(BufferedReader br) throws IOException {
+    List<String> result = new ArrayList<>();
+    for <caret>(String line; (line = br.readLine()) != null; ) {
+      result.add(line.trim());
+    }
+    return result;
+  }
+}