introduce: allow to provide checks to filter unacceptable expressions before showing them to user (IDEA-100776)

java/java-tests/testData/refactoring/introduceConstant/TailingErrorUnacceptableWholeLineSelection.java

@@ -0,0 +1,6 @@
+public class Test {
+
+    void foo(Integer i) {
+        i.compareTo(<caret>1)
+    }
+}

java/java-tests/testData/refactoring/introduceConstant/TailingErrorUnacceptableWholeLineSelection_after.java

@@ -0,0 +1,8 @@
+public class Test {
+
+    public static final int xxx = 1;
+
+    void foo(Integer i) {
+        i.compareTo(xxx)
+    }
+}