Generate extra newline for import if none are present

Author: fwcd

server/src/main/kotlin/org/javacs/kt/completion/Completions.kt

@@ -103,7 +103,8 @@ private fun indexCompletionItems(parsedFile: KtFile, index: SymbolIndex, partial
             }
             detail = "(import from ${it.fqName.parent()})"
             val pos = findImportInsertionPosition(parsedFile, it.fqName)
-            additionalTextEdits = listOf(TextEdit(Range(pos, pos), "\nimport ${it.fqName}")) // TODO: CRLF?
+            val prefix = if (importedNames.isEmpty()) "\n\n" else "\n"
+            additionalTextEdits = listOf(TextEdit(Range(pos, pos), "${prefix}import ${it.fqName}")) // TODO: CRLF?
         } }
 }
 

server/src/main/kotlin/org/javacs/kt/progress/Progress.kt

@@ -0,0 +1,5 @@
+package org.javacs.kt.progress
+
+interface Progress {
+    fun update(percent: Int): Unit
+}