clarify what duplicate does and its limitations
(cherry picked from commit a6108f8a3d
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<return type="Resource" />
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<return type="Resource" />
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<argument index="0" name="subresources" type="bool" default="false" />
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<argument index="0" name="subresources" type="bool" default="false" />
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<description>
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<description>
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Duplicates the resource, returning a new resource. By default, sub-resources are shared between resource copies for efficiency. This can be changed by passing [code]true[/code] to the [code]subresources[/code] argument which will copy the subresources.
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Duplicates the resource, returning a new resource with the exported members copied. [b]Note:[/b] To duplicate the resource the constructor is called without arguments. This method will error when the constructor doesn't have default values.
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By default, sub-resources are shared between resource copies for efficiency. This can be changed by passing [code]true[/code] to the [code]subresources[/code] argument which will copy the subresources.
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[b]Note:[/b] If [code]subresources[/code] is [code]true[/code], this method will only perform a shallow copy. Nested resources within subresources will not be duplicated and will still be shared.
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[b]Note:[/b] If [code]subresources[/code] is [code]true[/code], this method will only perform a shallow copy. Nested resources within subresources will not be duplicated and will still be shared.
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[b]Note:[/b] When duplicating a resource, only [code]export[/code]ed properties are copied. Other properties will be set to their default value in the new resource.
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[b]Note:[/b] When duplicating a resource, only [code]export[/code]ed properties are copied. Other properties will be set to their default value in the new resource.
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</description>
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</description>
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