@@ -14,6 +14,9 @@ protected bool ShouldContinue<T>(List<T> results, Paging<T> page)
 
     public async Task<List<T>> Paginate<T>(Paging<T> firstPage, IAPIConnector connector)
     {
+      Ensure.ArgumentNotNull(firstPage, nameof(firstPage));
+      Ensure.ArgumentNotNull(connector, nameof(connector));
+
       var page = firstPage;
       var results = new List<T>();
       results.AddRange(firstPage.Items);
@@ -28,6 +31,8 @@ public async Task<List<T>> Paginate<T>(Paging<T> firstPage, IAPIConnector connec
 
     public async Task<List<T>> Paginate<T>(Func<Task<Paging<T>>> getFirstPage, IAPIConnector connector)
     {
+      Ensure.ArgumentNotNull(getFirstPage, nameof(getFirstPage));
+
       var firstPage = await getFirstPage().ConfigureAwait(false);
       return await Paginate(firstPage, connector).ConfigureAwait(false);
     }
 
@@ -5,18 +5,18 @@ namespace SpotifyAPI.Web
   public class FollowRequest : RequestParams
   {
     [QueryParam("type")]
-    public Types? Type { get; set; }
+    public Type? TypeParam { get; set; }
 
     [BodyParam("ids")]
     public List<string> Ids { get; set; }
 
     protected override void CustomEnsure()
     {
-      Ensure.ArgumentNotNull(Type, nameof(Type));
+      Ensure.ArgumentNotNull(TypeParam, nameof(TypeParam));
       Ensure.ArgumentNotNullOrEmptyList(Ids, nameof(Ids));
     }
 
-    public enum Types
+    public enum Type
     {
       [String("artist")]
       Artist,
 
@@ -32,5 +32,9 @@
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3">
       <PrivateAssets>None</PrivateAssets>
     </PackageReference>
+    <PackageReference Include="Microsoft.CodeAnalysis.FxCopAnalyzers" Version="3.0.0">
+      <PrivateAssets>all</PrivateAssets>
+      <IncludeAssets>runtime; build; native; contentfiles; analyzers</IncludeAssets>
+    </PackageReference>
   </ItemGroup>
 </Project>
Original file line number	Diff line number	Diff line change
`@@ -14,6 +14,9 @@ protected bool ShouldContinue<T>(List<T> results, Paging<T> page)`
`14`	`14`
`15`	`15`	`public async Task<List<T>> Paginate<T>(Paging<T> firstPage, IAPIConnector connector)`
`16`	`16`	`{`
	`17`	`+ Ensure.ArgumentNotNull(firstPage, nameof(firstPage));`
	`18`	`+ Ensure.ArgumentNotNull(connector, nameof(connector));`
	`19`	`+`
`17`	`20`	`var page = firstPage;`
`18`	`21`	`var results = new List<T>();`
`19`	`22`	`results.AddRange(firstPage.Items);`
`@@ -28,6 +31,8 @@ public async Task<List<T>> Paginate<T>(Paging<T> firstPage, IAPIConnector connec`
`28`	`31`
`29`	`32`	`public async Task<List<T>> Paginate<T>(Func<Task<Paging<T>>> getFirstPage, IAPIConnector connector)`
`30`	`33`	`{`
	`34`	`+ Ensure.ArgumentNotNull(getFirstPage, nameof(getFirstPage));`
	`35`	`+`
`31`	`36`	`var firstPage = await getFirstPage().ConfigureAwait(false);`
`32`	`37`	`return await Paginate(firstPage, connector).ConfigureAwait(false);`
`33`	`38`	`}`
Original file line number	Diff line number	Diff line change
`@@ -5,18 +5,18 @@ namespace SpotifyAPI.Web`
`5`	`5`	`public class FollowRequest : RequestParams`
`6`	`6`	`{`
`7`	`7`	`[QueryParam("type")]`
`8`		`- public Types? Type { get; set; }`
	`8`	`+ public Type? TypeParam { get; set; }`
`9`	`9`
`10`	`10`	`[BodyParam("ids")]`
`11`	`11`	`public List<string> Ids { get; set; }`
`12`	`12`
`13`	`13`	`protected override void CustomEnsure()`
`14`	`14`	`{`
`15`		`- Ensure.ArgumentNotNull(Type, nameof(Type));`
	`15`	`+ Ensure.ArgumentNotNull(TypeParam, nameof(TypeParam));`
`16`	`16`	`Ensure.ArgumentNotNullOrEmptyList(Ids, nameof(Ids));`
`17`	`17`	`}`
`18`	`18`
`19`		`- public enum Types`
	`19`	`+ public enum Type`
`20`	`20`	`{`
`21`	`21`	`[String("artist")]`
`22`	`22`	`Artist,`