More accurate import conflict detection

idea/testData/addImport/CannotImportClass3.kt.after

@@ -1 +0,0 @@
-Failed to add import

idea/testData/addImport/ImportClassWhenFunctionImported.dependency.kt

@@ -0,0 +1,3 @@
+package pack1
+
+fun ArrayList(){}

idea/testData/addImport/ImportClassWhenFunctionImported.kt

@@ -0,0 +1,7 @@
+// IMPORT: java.util.ArrayList
+import pack1.ArrayList
+
+fun foo() {
+    ArrayList()
+    ArrayList<String>()
+}

idea/testData/addImport/ImportClassWhenFunctionImported.kt.after

@@ -0,0 +1,8 @@
+// IMPORT: java.util.ArrayList
+import pack1.ArrayList
+import java.util.*
+
+fun foo() {
+    ArrayList()
+    ArrayList<String>()
+}

idea/testData/addImport/ImportSecondFunction.dependency.kt

@@ -0,0 +1,3 @@
+package dependency
+
+fun div(char c1, char c2){}

idea/testData/addImport/ImportSecondFunction.kt

@@ -0,0 +1,7 @@
+// IMPORT: dependency.div
+import java.math.BigDecimal
+import kotlin.math.div
+
+fun foo(d1: BigDecimal, d2: BigDecimal) {
+    val d = d1 / d2
+}

idea/testData/addImport/ImportSecondFunction.kt.after

@@ -0,0 +1,8 @@
+// IMPORT: dependency.div
+import dependency.*
+import java.math.BigDecimal
+import kotlin.math.div
+
+fun foo(d1: BigDecimal, d2: BigDecimal) {
+    val d = d1 / d2
+}

idea/testData/addImport/PackageDoesNotConflictWithClass.kt.after

@@ -0,0 +1,5 @@
+// IMPORT: java.sql.Date
+import java.sql.*
+import java.util as Date
+
+val d: Date.Date = Date.Date()