# Functions

<a id="decode"></a>

##  decode

▸ **decode**(input: * `null` &#124; `Uint8Array`*):  `Uint8Array` &#124; `null` &#124; `Array`< `null` &#124; `Uint8Array` &#124; `Array`< `null` &#124; `Uint8Array`>>

*Defined in [decode.ts:86](https://github.com/polkadot-js/common/blob/2be211c/packages/trie-codec/src/decode.ts#L86)*

**Parameters:**

| Name | Type |
| ------ | ------ |
| input |  `null` &#124; `Uint8Array`|

**Returns:**  `Uint8Array` &#124; `null` &#124; `Array`< `null` &#124; `Uint8Array` &#124; `Array`< `null` &#124; `Uint8Array`>>

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