[wp-trac] [WordPress Trac] #64224: Docblock improvements for 7.0

[WordPress Trac]

#64224: Docblock improvements for 7.0
----------------------------+-------------------------------
 Reporter:  desrosj         |       Owner:  (none)
     Type:  task (blessed)  |      Status:  new
 Priority:  normal          |   Milestone:  7.0
Component:  General         |     Version:
 Severity:  normal          |  Resolution:
 Keywords:  has-patch       |     Focuses:  coding-standards
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Comment (by westonruter):

 In [changeset:"61299" 61299]:
 {{{
 #!CommitTicketReference repository="" revision="61299"
 Docs: Update various class `@var` tags to indicate nullability.

 This updates various `@var` tags on class properties to correctly indicate
 that the props may be `null` or unset:

 * `WP_Dependencies::$all_queued_deps` is nullable by both `::enqueue()`
 and `::dequeue`. Also, the types of the keys and values are specified.
 * `WP_Duotone::$global_styles_presets` and `::$global_styles_block_names`
 start off unset and are only initialized by static classes.
 * `WP_Query::init()` and `WP_Rewrite::init()` are public methods that
 `unset()`s many class props.
 * `WP_Theme::cache_delete()` sets many props to `null`.

 Developed in https://github.com/WordPress/wordpress-develop/pull/8953

 Props justlevine, westonruter.
 See #64238, #64224.
 }}}

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Ticket URL: <https://core.trac.wordpress.org/ticket/64224#comment:7>
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