chore: Fix linting errors (#396)

LaunchDarkly/LaunchDarkly/LDClient.swift

@@ -728,12 +728,12 @@ public class LDClient {
  }
 
  static func start(serviceFactory: ClientServiceCreating?, config: LDConfig, context: LDContext? = nil, completion: (() -> Void)? = nil) {
- 
+
  if serviceFactory != nil {
  get()?.close()
  }
- 
- var shouldCreateInstances = false;
+
+ var shouldCreateInstances = false
  instancesQueue.sync(flags: .barrier) {
  if instances != nil {
  os_log("%s LDClient.start() was called more than once!", log: config.logger, type: .debug, typeName(and: #function))
@@ -745,7 +745,7 @@ public class LDClient {
  shouldCreateInstances = true
  }
  }
- 
+
  if !shouldCreateInstances {
  return
  }
@@ -775,7 +775,7 @@ public class LDClient {
  LDClient.instances?[name] = instance
  }
  }
- 
+
  completionCheck()
  }
 

LaunchDarkly/LaunchDarkly/Models/Hooks/Hook.swift

@@ -18,14 +18,19 @@ public protocol Hook {
 }
 
 public extension Hook {
+ /// Get metadata about the hook implementation.
  func metadata() -> Metadata {
  return Metadata(name: "UNDEFINED")
  }
 
+ /// The before method is called during the execution of a variation method before the flag value has been
+ /// determined. The method is executed synchronously.
  func beforeEvaluation(seriesContext: EvaluationSeriesContext, seriesData: EvaluationSeriesData) -> EvaluationSeriesData {
  return seriesData
  }
 
+ /// The after method is called during the execution of the variation method after the flag value has been
+ /// determined. The method is executed synchronously.
  func afterEvaluation(seriesContext: EvaluationSeriesContext, seriesData: EvaluationSeriesData, evaluationDetail: LDEvaluationDetail<LDValue>) -> EvaluationSeriesData {
  return seriesData
  }