A builder to build a `Message`.

### MessageBuilder(): [MessageBuilder](#messagebuilder)

Creates a new `MessageBuilder`.

### networkId(network_id): [MessageBuilder](#messagebuilder)

Adds a network id to a `MessageBuilder`.

| Parameter       | Type |  Description |
| --------------- | -------- | -------- |
| network_id | long |  The network id |

### parents(parents): [MessageBuilder](#messagebuilder)

Adds parents to a `MessageBuilder`.

| Parameter       | Type |  Description |
| --------------- | -------- | -------- |
| parents | [MessageId[]](#messageid) |  A list of parents to set |

### payload(payload): [MessageBuilder](#messagebuilder)

Adds a payload to a `MessageBuilder`.

| Parameter       | Type |  Description |
| --------------- | -------- | -------- |
| payload | [MessagePayload](#messagepayload) |  the MessagePayload to set |

### nonceProvider(provider, target_score): [MessageBuilder](#messagebuilder)

Sets a provider for the nonce. Can currently only be obtained from Client.getPowProvider

| Parameter       | Type |  Description |
| --------------- | -------- | -------- |
| provider | [ClientMiner](#clientminer) |  Sets the nonce provider |
| target_score | double |  Target score for the nonce, Recommended: 4000 |

### finish(): [Message](#message)

Finish the MessageBuilder