feat: Make RetryStrategyOptions initializer public (#571)

Author: jbelkins

Sources/ClientRuntime/Retries/ExponentialBackoffStrategy.swift

@@ -8,19 +8,23 @@
 import func Foundation.pow
 import struct Foundation.TimeInterval
 
-struct ExponentialBackoffStrategy: RetryBackoffStrategy {
+public struct ExponentialBackoffStrategy: RetryBackoffStrategy {
     let options: ExponentialBackoffStrategyOptions
 
     var random: () -> Double = { Double.random(in: 0.0...1.0) }
 
     // values set by Retry Behavior 2.0 SEP
     let r = 2.0
 
-    init(options: ExponentialBackoffStrategyOptions = ExponentialBackoffStrategyOptions()) {
+    public init() {
+        self.init(options: ExponentialBackoffStrategyOptions())
+    }
+
+    init(options: ExponentialBackoffStrategyOptions) {
         self.options = options
     }
 
-    func computeNextBackoffDelay(attempt: Int) -> TimeInterval {
+    public func computeNextBackoffDelay(attempt: Int) -> TimeInterval {
         min(random() * pow(r, Double(attempt)), options.maxBackoff)
     }
 }

Sources/ClientRuntime/Retries/RetryStrategyOptions.swift

@@ -49,7 +49,7 @@ public struct RetryStrategyOptions {
     ///   - maxRetriesBase: The number of times to retry the initial request.  Defaults to 2.
     ///   - availableCapacity: The number of available tokens in a retry quota.  Defaults to 500.
     ///   - maxCapacity: The max number of tokens in a retry quota.  Defaults to 500.
-    init(
+    public init(
         backoffStrategy: RetryBackoffStrategy = ExponentialBackoffStrategy(),
         maxRetriesBase: Int = 2,
         availableCapacity: Int = 500,