Interface Options

The default value if the environment variable is not set.

An array of allowed values for enum types.

The format of the environment variable if it's a string. Can be 'url', 'host', or 'email'.

Whether the environment variable is optional.

Whether a protocol is required for URLs.

The separator for parsing array or object values (default is ',').

Whether a top-level domain is required for URLs or emails.

The type of the environment variable. Can be 'number', 'boolean', 'array', 'object', 'json', 'enum', 'email', 'host', 'url', or 'string'.