Bitfinex REST API client implementation.
This module provides types and utilities for interacting with the Bitfinex REST API,
including configuration, connection management, error handling, and message processing.
The module provides:
builder — Builder pattern for creating configured REST API clients.
error — Custom error types used during REST API client configuration and data processing.
msg — Message types used for communication with the Bitfinex REST API.
rest — REST API client implementation for fetching market data.