diff --git a/Sources/SKLogging/NonDarwinLogging.swift b/Sources/SKLogging/NonDarwinLogging.swift
index c93c0500..33648c01 100644
--- a/Sources/SKLogging/NonDarwinLogging.swift
+++ b/Sources/SKLogging/NonDarwinLogging.swift
@@ -10,7 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-@_spi(SourceKitLSP) public import ToolsProtocolsSwiftExtensions
+@_spi(SourceKitLSP) import ToolsProtocolsSwiftExtensions
 
 #if canImport(Darwin)
 import Foundation
@@ -23,7 +23,7 @@ import Foundation
 
 @_spi(SourceKitLSP) public enum LogConfig {
   /// The globally set log level
-  @_spi(SourceKitLSP) public static let logLevel = ThreadSafeBox<NonDarwinLogLevel>(
+  private static let _logLevel = ThreadSafeBox<NonDarwinLogLevel>(
     initialValue: {
       if let envVar = ProcessInfo.processInfo.environment["SOURCEKIT_LSP_LOG_LEVEL"],
         let logLevel = NonDarwinLogLevel(envVar)
@@ -38,8 +38,17 @@ import Foundation
     }()
   )
 
+  @_spi(SourceKitLSP) public static var logLevel: NonDarwinLogLevel {
+    get {
+      _logLevel.value
+    }
+    set {
+      _logLevel.value = newValue
+    }
+  }
+
   /// The globally set privacy level
-  @_spi(SourceKitLSP) public static let privacyLevel = ThreadSafeBox<NonDarwinLogPrivacy>(
+  private static let _privacyLevel = ThreadSafeBox<NonDarwinLogPrivacy>(
     initialValue: {
       if let envVar = ProcessInfo.processInfo.environment["SOURCEKIT_LSP_LOG_PRIVACY_LEVEL"],
         let privacyLevel = NonDarwinLogPrivacy(envVar)
@@ -53,6 +62,15 @@ import Foundation
       #endif
     }()
   )
+
+  @_spi(SourceKitLSP) public static var privacyLevel: NonDarwinLogPrivacy {
+    get {
+      _privacyLevel.value
+    }
+    set {
+      _privacyLevel.value = newValue
+    }
+  }
 }
 
 /// A type that is API-compatible to `OSLogType` for all uses within
@@ -302,7 +320,7 @@ private let loggingQueue = AsyncQueue<Serial>()
 /// not available.
 ///
 /// `overrideLogHandler` allows capturing of the logged messages for testing purposes.
-@_spi(SourceKitLSP) public struct NonDarwinLogger: Sendable {
+public struct NonDarwinLogger: Sendable {
   private let subsystem: String
   private let category: String
   private let logLevel: NonDarwinLogLevel
@@ -326,8 +344,8 @@ private let loggingQueue = AsyncQueue<Serial>()
   ) {
     self.subsystem = subsystem
     self.category = category
-    self.logLevel = logLevel ?? LogConfig.logLevel.value
-    self.privacyLevel = privacyLevel ?? LogConfig.privacyLevel.value
+    self.logLevel = logLevel ?? LogConfig.logLevel
+    self.privacyLevel = privacyLevel ?? LogConfig.privacyLevel
     self.overrideLogHandler = overrideLogHandler
   }
 
diff --git a/Sources/SKLogging/SetGlobalLogFileHandler.swift b/Sources/SKLogging/SetGlobalLogFileHandler.swift
index ac13ddd9..bbe1071c 100644
--- a/Sources/SKLogging/SetGlobalLogFileHandler.swift
+++ b/Sources/SKLogging/SetGlobalLogFileHandler.swift
@@ -17,7 +17,7 @@ import ToolsProtocolsSwiftExtensions
 public import Foundation
 #else
 // TODO: @preconcurrency needed because stderr is not sendable on Linux https://github.com/swiftlang/swift/issues/75601
-@preconcurrency package import Foundation
+@preconcurrency public import Foundation
 #endif
 
 #if os(Windows)
diff --git a/Sources/ToolsProtocolsSwiftExtensions/AsyncQueue.swift b/Sources/ToolsProtocolsSwiftExtensions/AsyncQueue.swift
index b26c9d7f..cc394e93 100644
--- a/Sources/ToolsProtocolsSwiftExtensions/AsyncQueue.swift
+++ b/Sources/ToolsProtocolsSwiftExtensions/AsyncQueue.swift
@@ -35,7 +35,7 @@ public protocol DependencyTracker: Sendable, Hashable {
 /// A dependency tracker where each task depends on every other, i.e. a serial
 /// queue.
 public struct Serial: DependencyTracker {
-  @_spi(SourceKitLSP) public func isDependency(of other: Serial) -> Bool {
+  public func isDependency(of other: Serial) -> Bool {
     return true
   }
 }
diff --git a/Sources/ToolsProtocolsSwiftExtensions/Collection+Only.swift b/Sources/ToolsProtocolsSwiftExtensions/Collection+Only.swift
index 5c6f1fec..d00b91ab 100644
--- a/Sources/ToolsProtocolsSwiftExtensions/Collection+Only.swift
+++ b/Sources/ToolsProtocolsSwiftExtensions/Collection+Only.swift
@@ -10,7 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-@_spi(SourceKitLSP) public extension Collection {
+package extension Collection {
   /// If the collection contains a single element, return it, otherwise `nil`.
   var only: Element? {
     if !isEmpty && index(after: startIndex) == endIndex {
diff --git a/Sources/ToolsProtocolsSwiftExtensions/Duration+Seconds.swift b/Sources/ToolsProtocolsSwiftExtensions/Duration+Seconds.swift
index 7e469ac9..69245ded 100644
--- a/Sources/ToolsProtocolsSwiftExtensions/Duration+Seconds.swift
+++ b/Sources/ToolsProtocolsSwiftExtensions/Duration+Seconds.swift
@@ -11,7 +11,7 @@
 //===----------------------------------------------------------------------===//
 
 extension Duration {
-  @_spi(SourceKitLSP) public var seconds: Double {
+  package var seconds: Double {
     return Double(self.components.attoseconds) / 1_000_000_000_000_000_000 + Double(self.components.seconds)
   }
 }
diff --git a/Sources/ToolsProtocolsSwiftExtensions/FileManagerExtensions.swift b/Sources/ToolsProtocolsSwiftExtensions/FileManagerExtensions.swift
index 45105e6a..80dfe587 100644
--- a/Sources/ToolsProtocolsSwiftExtensions/FileManagerExtensions.swift
+++ b/Sources/ToolsProtocolsSwiftExtensions/FileManagerExtensions.swift
@@ -10,11 +10,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-public import Foundation
+package import Foundation
 
 extension FileManager {
   /// Same as `fileExists(atPath:)` but takes a `URL` instead of a `String`.
-  @_spi(SourceKitLSP) public func fileExists(at url: URL) -> Bool {
+  package func fileExists(at url: URL) -> Bool {
     guard let filePath = try? url.filePath else {
       return false
     }
@@ -22,14 +22,14 @@ extension FileManager {
   }
 
   /// Returns `true` if an entry exists in the file system at the given URL and that entry is a directory.
-  @_spi(SourceKitLSP) public func isDirectory(at url: URL) -> Bool {
+  package func isDirectory(at url: URL) -> Bool {
     var isDirectory: ObjCBool = false
     return self.fileExists(atPath: url.path, isDirectory: &isDirectory) && isDirectory.boolValue
   }
 
   /// Returns `true` if an entry exists in the file system at the given URL and that entry is a file, ie. not a
   /// directory.
-  @_spi(SourceKitLSP) public func isFile(at url: URL) -> Bool {
+  package func isFile(at url: URL) -> Bool {
     var isDirectory: ObjCBool = false
     return self.fileExists(atPath: url.path, isDirectory: &isDirectory) && !isDirectory.boolValue
   }
diff --git a/Sources/ToolsProtocolsSwiftExtensions/PipeAsStringHandler.swift b/Sources/ToolsProtocolsSwiftExtensions/PipeAsStringHandler.swift
index a2d38811..3d12dba7 100644
--- a/Sources/ToolsProtocolsSwiftExtensions/PipeAsStringHandler.swift
+++ b/Sources/ToolsProtocolsSwiftExtensions/PipeAsStringHandler.swift
@@ -10,11 +10,11 @@
 //
 //===----------------------------------------------------------------------===//
 
-public import Foundation
+package import Foundation
 
 /// Gathers data from a stdout or stderr pipe. When it has accumulated a full line, calls the handler to handle the
 /// string.
-@_spi(SourceKitLSP) public actor PipeAsStringHandler {
+package actor PipeAsStringHandler {
   /// Queue on which all data from the pipe will be handled. This allows us to have a
   /// nonisolated `handle` function but ensure that data gets processed in order.
   private let queue = AsyncQueue<Serial>()
@@ -23,7 +23,7 @@ public import Foundation
   /// The closure that actually handles
   private let handler: @Sendable (String) -> Void
 
-  @_spi(SourceKitLSP) public init(handler: @escaping @Sendable (String) -> Void) {
+  package init(handler: @escaping @Sendable (String) -> Void) {
     self.handler = handler
   }
 
@@ -49,7 +49,7 @@ public import Foundation
     }
   }
 
-  @_spi(SourceKitLSP) public nonisolated func handleDataFromPipe(_ newData: Data) {
+  package nonisolated func handleDataFromPipe(_ newData: Data) {
     queue.async {
       await self.handleDataFromPipeImpl(newData)
     }
diff --git a/Sources/ToolsProtocolsSwiftExtensions/ThreadSafeBox.swift b/Sources/ToolsProtocolsSwiftExtensions/ThreadSafeBox.swift
index 8bf6799c..bc0ec9be 100644
--- a/Sources/ToolsProtocolsSwiftExtensions/ThreadSafeBox.swift
+++ b/Sources/ToolsProtocolsSwiftExtensions/ThreadSafeBox.swift
@@ -15,13 +15,13 @@ import Foundation
 /// A thread safe container that contains a value of type `T`.
 ///
 /// - Note: Unchecked sendable conformance because value is guarded by a lock.
-@_spi(SourceKitLSP) public class ThreadSafeBox<T: Sendable>: @unchecked Sendable {
+package class ThreadSafeBox<T: Sendable>: @unchecked Sendable {
   /// Lock guarding `_value`.
   private let lock = NSLock()
 
   private var _value: T
 
-  @_spi(SourceKitLSP) public var value: T {
+  package var value: T {
     get {
       return lock.withLock {
         return _value
@@ -39,11 +39,11 @@ import Foundation
     }
   }
 
-  @_spi(SourceKitLSP) public init(initialValue: T) {
+  package init(initialValue: T) {
     _value = initialValue
   }
 
-  @_spi(SourceKitLSP) public func withLock<Result>(_ body: (inout T) throws -> Result) rethrows -> Result {
+  package func withLock<Result>(_ body: (inout T) throws -> Result) rethrows -> Result {
     return try lock.withLock {
       return try body(&_value)
     }
@@ -51,7 +51,7 @@ import Foundation
 
   /// If the value in the box is an optional, return it and reset it to `nil`
   /// in an atomic operation.
-  @_spi(SourceKitLSP) public func takeValue<U>() -> T where U? == T {
+  package func takeValue<U>() -> T where U? == T {
     lock.withLock {
       guard let value = self._value else { return nil }
       self._value = nil
diff --git a/Sources/ToolsProtocolsSwiftExtensions/URLExtensions.swift b/Sources/ToolsProtocolsSwiftExtensions/URLExtensions.swift
index feef4689..629313ae 100644
--- a/Sources/ToolsProtocolsSwiftExtensions/URLExtensions.swift
+++ b/Sources/ToolsProtocolsSwiftExtensions/URLExtensions.swift
@@ -10,7 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-public import Foundation
+package import Foundation
 
 #if os(Windows)
 import WinSDK
@@ -37,7 +37,7 @@ extension URL {
   ///   path by stripping away `private` prefixes. Since sourcekitd is not performing this standardization, using
   ///   `resolvingSymlinksInPath` can lead to slightly mismatched URLs between the sourcekit-lsp response and the test
   ///   assertion.
-  @_spi(SourceKitLSP) public var realpath: URL {
+  package var realpath: URL {
     get throws {
       #if canImport(Darwin)
       return try self.filePath.withCString { path in
@@ -63,7 +63,7 @@ extension URL {
   /// - It throws an error when called on a non-file URL.
   ///
   /// `filePath` should generally be preferred over `path` when dealing with file URLs.
-  @_spi(SourceKitLSP) public var filePath: String {
+  package var filePath: String {
     get throws {
       guard self.isFileURL else {
         throw FilePathError.noFileURL(self)
@@ -89,7 +89,7 @@ extension URL {
 
   /// Assuming this URL is a file URL, checks if it looks like a root path. This is a string check, ie. the return
   /// value for a path of `"/foo/.."` would be `false`. An error will be thrown is this is a non-file URL.
-  @_spi(SourceKitLSP) public var isRoot: Bool {
+  package var isRoot: Bool {
     get throws {
       let checkPath = try filePath
       #if os(Windows)
@@ -101,7 +101,7 @@ extension URL {
   }
 
   /// Returns true if the path of `self` starts with the path in `other`.
-  @_spi(SourceKitLSP) public func isDescendant(of other: URL) -> Bool {
+  package func isDescendant(of other: URL) -> Bool {
     return self.pathComponents.dropLast().starts(with: other.pathComponents)
   }
 }