Nullability Annotations to Java Classes - Model - List & Map & Set

[ParaskP7]

Parent #18915

This issue is about adding missing nullability annotations (@Nullable & @NonNull) to as many Java-related List & Map & Set model classes as possible, including fields, arguments, parameters, and return values.

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Search: class . extends .List\<.> (file mask: `.java) Search: class .* extends .*Map\<.*\> (file mask:.java`) Search: class . extends .Set\<.> (file mask: *.java)

List (Outer):

• ReaderBlogIdPostIdList.java (Serializable)
• CommentList.java
• PublicizeConnectionList.java
• PublicizeServiceList.java
• ReaderBlogList.java
• ReaderCommentList.java
• ReaderPostList.java
• ReaderTagList.java
• ReaderUserList.java
• PluginList.java
• ReaderImageList.java
• ReaderSimplePostList.java

List (Inner):

• SiteList (SitePickerAdapter.java)
• PrefListItems (WPPrefView.java)

Map:

• ImageSizeMap.java

Set:

• ReaderUrlList.java
• ReaderUserIdList.java

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[peril-wordpress-mobile[bot]]

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:no_entry_sign:	Please add a type label to this issue. e.g. '[Type] Enhancement'

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[peril-wordpress-mobile[bot]]

	Fails
:no_entry_sign:	Please add a type label to this issue. e.g. '[Type] Enhancement'

Generated by :no_entry_sign: dangerJS