fix: Doc comments before attributes

Author: NeedleInAJayStack

Sources/GraphQL/GraphQL.swift

@@ -279,7 +279,6 @@ public func graphqlSubscribe(
 
 // MARK: Async/Await
 
-@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
 /// This is the primary entry point function for fulfilling GraphQL operations
 /// by parsing, validating, and executing a GraphQL document along side a
 /// GraphQL schema.
@@ -315,6 +314,7 @@ public func graphqlSubscribe(
 /// `errors` if an error occurs only in a specific field. If that happens the value of that
 /// field will be `null` and there will be an error inside `errors` specifying the reason for
 /// the failure and the path of the failed field.
+@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
 public func graphql(
     queryStrategy: QueryFieldExecutionStrategy = SerialFieldExecutionStrategy(),
     mutationStrategy: MutationFieldExecutionStrategy = SerialFieldExecutionStrategy(),
@@ -343,7 +343,6 @@ public func graphql(
     ).get()
 }
 
-@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
 /// This is the primary entry point function for fulfilling GraphQL subscription
 /// operations by parsing, validating, and executing a GraphQL subscription
 /// document along side a GraphQL schema.
@@ -382,6 +381,7 @@ public func graphql(
 /// If that happens the value of that field will be `null` and there
 /// will be an error inside `errors` specifying the reason for the failure and the path of the
 /// failed field.
+@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
 public func graphqlSubscribe(
     queryStrategy: QueryFieldExecutionStrategy = SerialFieldExecutionStrategy(),
     mutationStrategy: MutationFieldExecutionStrategy = SerialFieldExecutionStrategy(),

Sources/GraphQL/Subscription/EventStream.swift

@@ -8,8 +8,8 @@ open class EventStream<Element> {
     }
 }
 
-@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
 /// Event stream that wraps an `AsyncThrowingStream` from Swift's standard concurrency system.
+@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
 public class ConcurrentEventStream<Element>: EventStream<Element> {
     public let stream: AsyncThrowingStream<Element, Error>
 

Tests/GraphQLTests/SubscriptionTests/SimplePubSub.swift

@@ -1,7 +1,7 @@
 import GraphQL
 
-@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
 /// A very simple publish/subscriber used for testing
+@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
 class SimplePubSub<T> {
     private var subscribers: [Subscriber<T>]
 

Tests/GraphQLTests/SubscriptionTests/SubscriptionTests.swift

@@ -2,8 +2,8 @@ import GraphQL
 import NIO
 import XCTest
 
-@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
 /// This follows the graphql-js testing, with deviations where noted.
+@available(macOS 10.15, iOS 15, watchOS 8, tvOS 15, *)
 class SubscriptionTests: XCTestCase {
     let timeoutDuration = 0.5 // in seconds