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# Queue APIs

## Import Module​

    local LCC = require("XXTLanControl")

## Before You Start​

Before using any helper, ensure you either invoke `LCC.set_api_url()` or launch the script from the controller, and always complete initialisation by calling `LCC.connect()`.

## Shared Constraints​

- All queue name parameters such as `name`, `from_name`, and `to_name` must be non-empty strings and no longer than `256` bytes.
- All value parameters such as `value` must be valid UTF-8 strings.