Some pr feedback

Author: jrosen081

Sources/Java2Swift/JavaToSwift.swift

@@ -248,7 +248,7 @@ struct JavaToSwift: ParsableCommand {
     // Translate all of the Java classes into Swift classes.
     for javaClass in javaClasses {
       translator.startNewFile()
-      let swiftClassDecls = try! translator.translateClass(javaClass)
+      let swiftClassDecls = try translator.translateClass(javaClass)
       let importDecls = translator.getImportDecls()
 
       let swiftFileText = """

Sources/Java2SwiftLib/JavaTranslator.swift

@@ -274,7 +274,7 @@ extension JavaTranslator {
     )
 
     if !enumConstants.isEmpty {
-      let enumName = "\(swiftTypeName.splitSwiftTypeName().name)Cases"
+      let enumName = "\(swiftInnermostTypeName)Cases"
       members.append(
         contentsOf: translateToEnumValue(name: enumName, enumFields: enumConstants)
       )

Tests/Java2SwiftTests/Java2SwiftTests.swift

@@ -115,7 +115,7 @@ class Java2SwiftTests: XCTestCase {
     )
   }
 
-  func testNestedSubclasses() async throws {
+  func testNestedSubclasses() throws {
     try assertTranslatedClass(
       ProcessBuilder.self,
       swiftTypeName: "ProcessBuilder",