Set up rendering for structure elements

idea/testData/structureView/fileStructure/Render.kt

@@ -0,0 +1,54 @@
+//package test.render
+
+fun test1() {}
+fun test2(a: String?) {}
+fun <T, U> test3(t: T, u: U) {}
+fun <T: String> test4(t: T) {}
+fun test5(): String = "some"
+fun test6(): Comparable<String> = "some"
+
+fun String.extension1() {}
+fun <T> Comparable<T>.extension2() {}
+
+val a: Int = 1
+val <T> Comparable<T>.a = "String"
+val b = object {}
+
+class A1
+class A2(val a: Int, var b = "some")
+class A3(val a: Int) {
+    var b = "some"
+}
+class A4<T: Any>(val t: T?)
+class A5 {
+    class Inner1
+    inner class Inner2
+}
+class A6 {
+    class object {
+        fun test() {}
+    }
+}
+class A7 {
+    val a: Int
+
+    {
+        a = 1
+    }
+}
+
+enum class Enum1 {
+    FIRST
+    SECOND
+}
+
+trait Trait
+trait Trait1: Trait
+
+class TestWithWhere<T> where T: Any?
+fun <T> testWithWhere() where T: String {}
+
+class WithDefaultArgs(val a: Int = 1, b: String = "str")
+fun withDefaulArgs(a: Int = 1, b: String = "str") {}
+
+