Merge pull request #44418 from skyace65/TypeHint3

[3.2] Document what can be used as a type hint

doc/classes/ResourceLoader.xml

@@ -72,7 +72,7 @@
 			<description>
 				Loads a resource at the given [code]path[/code], caching the result for further access.
 				The registered [ResourceFormatLoader]s are queried sequentially to find the first one which can handle the file's extension, and then attempt loading. If loading fails, the remaining ResourceFormatLoaders are also attempted.
-				An optional [code]type_hint[/code] can be used to further specify the [Resource] type that should be handled by the [ResourceFormatLoader].
+				An optional [code]type_hint[/code] can be used to further specify the [Resource] type that should be handled by the [ResourceFormatLoader]. Anything that inherits from [Resource] can be used as a type hint, for example [Image].
 				If [code]no_cache[/code] is [code]true[/code], the resource cache will be bypassed and the resource will be loaded anew. Otherwise, the cached resource will be returned if it exists.
 				Returns an empty resource if no [ResourceFormatLoader] could handle the file.
 				GDScript has a simplified [method @GDScript.load] built-in method which can be used in most situations, leaving the use of [ResourceLoader] for more advanced scenarios.
@@ -87,7 +87,7 @@
 			</argument>
 			<description>
 				Starts loading a resource interactively. The returned [ResourceInteractiveLoader] object allows to load with high granularity, calling its [method ResourceInteractiveLoader.poll] method successively to load chunks.
-				An optional [code]type_hint[/code] can be used to further specify the [Resource] type that should be handled by the [ResourceFormatLoader].
+				An optional [code]type_hint[/code] can be used to further specify the [Resource] type that should be handled by the [ResourceFormatLoader]. Anything that inherits from [Resource] can be used as a type hint, for example [Image].
 			</description>
 		</method>
 		<method name="set_abort_on_missing_resources">