def get(self, key: str, default_value: Any = None, fallback_to_env: bool = True) -> Any:
        """Get a value from registry:

        Args:
            key: The key to get the value for.
            default_value: The default value to return if the key is not found in the registry.
            fallback_to_env: If True, fallback to environment variables if the key is not found in the registry.
                If there's no environment variable, return the default value.
        """
        if fallback_to_env and key in os.environ:
            default_value = os.environ[key]
        return json.loads(self.env_file.read_text()).get(key, default_value)
Get a value from registry:

        Args:
            key: The key to get the value for.
            default_value: The default value to return if the key is not found in the registry.
            fallback_to_env: If True, fallback to environment variables if the key is not found in the registry.
                If there's no environment variable, return the default value.
        
tools/registry/lib/registry.py