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@@ -880,7 +880,7 @@ are:
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- `file`: the file object instance
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- `file`: the file object instance
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- `previewId`: the identifier for the preview file container.
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- `previewId`: the identifier for the preview file container.
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- `index`: the zero-based sequential index of the loaded file in the preview list
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- `index`: the zero-based sequential index of the loaded file in the preview list
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-
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+- `reader`: the FileReader instance if available.
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**Example:**
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**Example:**
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```js
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```js
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