The `FeatherMask` node applies a feathering effect to the edges of a given mask, smoothly transitioning the mask's edges by adjusting their opacity based on specified distances from each edge. This creates a softer, more blended edge effect.

## Inputs

| Parameter | Description | Data Type |
| --- | --- | --- |
| `mask` | The mask to which the feathering effect will be applied. It determines the area of the image that will be affected by the feathering. | MASK |
| `left` | Specifies the distance from the left edge within which the feathering effect will be applied. | INT |
| `top` | Specifies the distance from the top edge within which the feathering effect will be applied. | INT |
| `right` | Specifies the distance from the right edge within which the feathering effect will be applied. | INT |
| `bottom` | Specifies the distance from the bottom edge within which the feathering effect will be applied. | INT |

## Outputs

| Parameter | Description | Data Type |
| --- | --- | --- |
| `mask` | The output is a modified version of the input mask with a feathering effect applied to its edges. | MASK |

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