Rename Stream<T> to Sequence<T> and provide migration path via deprecated types and functions.

libraries/stdlib/test/collections/SequenceJVMTest.kt

@@ -0,0 +1,26 @@
+package test.collections
+
+import org.junit.Test as test
+import kotlin.test.assertEquals
+
+class SequenceJVMTest {
+
+    test fun filterIsInstance() {
+        val src: Sequence<Any> = listOf(1, 2, 3.toDouble(), "abc", "cde").sequence()
+
+        val intValues: Sequence<Int> = src.filterIsInstance<Int>()
+        assertEquals(listOf(1, 2), intValues.toArrayList())
+
+        val doubleValues: Sequence<Double> = src.filterIsInstance<Double>()
+        assertEquals(listOf(3.0), doubleValues.toArrayList())
+
+        val stringValues: Sequence<String> = src.filterIsInstance<String>()
+        assertEquals(listOf("abc", "cde"), stringValues.toArrayList())
+
+        val anyValues: Sequence<Any> = src.filterIsInstance<Any>()
+        assertEquals(src.toList(), anyValues.toArrayList())
+
+        val charValues: Sequence<Char> = src.filterIsInstance<Char>()
+        assertEquals(0, charValues.toArrayList().size())
+    }
+}