```python
def wire_text(text: str) -> str:
    if not isinstance(text, str):
        raise ValueError("Input must be a string")
    if '\n' in text:
        raise ValueError("Text cannot contain newline characters")
    return f"s{text.__len__()}:{text}"


def wire_value(value) -> str:
    if isinstance(value, str):
        return wire_text(value)
    elif isinstance(value, int) and value == int(value):
        return f"n{value};"
    elif isinstance(value, list):
        return '[' + ';'.join(wire_value(item) for item in value) + ']'
    else:
        raise ValueError("Unsupported value type")
```