Updated access levels on storage classes. (#306)

Author: bsneed

Sources/Segment/Utilities/HTTPClient.swift

@@ -10,7 +10,7 @@ import Foundation
 import FoundationNetworking
 #endif
 
-enum HTTPClientErrors: Error {
+public enum HTTPClientErrors: Error {
     case badSession
     case failedToOpenBatch
     case statusCode(code: Int)

Sources/Segment/Utilities/Storage/TransientDB.swift

@@ -6,7 +6,7 @@
 //
 import Foundation
 
-internal class TransientDB {
+public class TransientDB {
     // our data store
     internal let store: any DataStore
     // keeps items added in the order given.

Sources/Segment/Utilities/Storage/Types/DirectoryStore.swift

@@ -7,15 +7,23 @@
 
 import Foundation
 
-internal class DirectoryStore: DataStore {
-    typealias StoreConfiguration = Configuration
+public class DirectoryStore: DataStore {
+    public typealias StoreConfiguration = Configuration
 
     public struct Configuration {
         let writeKey: String
         let storageLocation: URL
         let baseFilename: String
         let maxFileSize: Int
         let indexKey: String
+        
+        public init(writeKey: String, storageLocation: URL, baseFilename: String, maxFileSize: Int, indexKey: String) {
+            self.writeKey = writeKey
+            self.storageLocation = storageLocation
+            self.baseFilename = baseFilename
+            self.maxFileSize = maxFileSize
+            self.indexKey = indexKey
+        }
     }
 
     public var hasData: Bool {

Sources/Segment/Utilities/Storage/Types/MemoryStore.swift

@@ -14,6 +14,12 @@ public class MemoryStore: DataStore {
         let writeKey: String
         let maxItems: Int
         let maxFetchSize: Int
+        
+        public init(writeKey: String, maxItems: Int, maxFetchSize: Int) {
+            self.writeKey = writeKey
+            self.maxItems = maxItems
+            self.maxFetchSize = maxFetchSize
+        }
     }
 
     internal struct ItemData {