getStringList abstract method

Future<List<String>?> getStringList(String key)

Retrieves a list of strings by its key.

This method fetches a list of strings previously stored using setStringList. If no value exists for the given key, or the stored value is not a list of strings, this method returns null.

Parameters:

• key - The unique identifier of the string list to retrieve.

Returns a Future that completes with the stored list of strings if found, or null if the key doesn't exist or the value is not a list of strings.

Throws:

• ArgumentError if the key is invalid.

Implementation

Future<List<String>?> getStringList(String key);