Move stub building from psi module to analysis module

analysis/decompiled/decompiler-to-file-stubs/testData/clsFileStubBuilder/Modifiers/Modifiers.kt

@@ -0,0 +1,25 @@
+package test
+import kotlin.coroutines.*
+
+data class Modifiers(val x: Int) {
+    external fun extFun()
+
+    var extVar: Int = 1
+        external get
+        external set
+
+    tailrec fun sum(x: Long, sum: Long): Long {
+        if (x == 0.toLong()) return sum
+        return sum(x - 1, sum + x)
+    }
+
+    inline fun inlined(crossinline arg1: ()->Unit, noinline arg2: ()->Unit): Unit {}
+
+    override operator fun equals(other: Any?) = false
+
+    annotation class Ann
+
+    suspend fun suspend(x: Continuation<Int>) {}
+
+    fun builder(c: suspend Any.() -> Unit) {}
+}