import ast


def node_returns_bool_const(node: ast.stmt) -> bool:
    """Checks if a Return node would return a boolean constant."""
    is_return = isinstance(node, ast.Return)
    if is_return:
        return_value = getattr(node, 'value', None)
        if isinstance(return_value, ast.NameConstant):
            return isinstance(return_value.value, bool)
    return False