2022-07-05 13:41:43 +00:00
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sidebar_label: Metrics
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---
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# Metrics interface
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2022-10-24 07:07:05 +00:00
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#### Signature:
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2022-07-05 13:41:43 +00:00
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```typescript
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export interface Metrics
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```
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## Properties
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2024-03-20 15:03:14 +00:00
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<table><thead><tr><th>
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Property
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</th><th>
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Modifiers
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</th><th>
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Type
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</th><th>
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Description
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</th><th>
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Default
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</th></tr></thead>
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<tbody><tr><td>
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Documents
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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Frames
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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JSEventListeners
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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JSHeapTotalSize
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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JSHeapUsedSize
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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LayoutCount
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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LayoutDuration
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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Nodes
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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RecalcStyleCount
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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RecalcStyleDuration
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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ScriptDuration
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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TaskDuration
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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<tr><td>
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Timestamp
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</td><td>
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`optional`
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</td><td>
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number
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</td><td>
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</td><td>
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</td></tr>
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</tbody></table>
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