public FieldStorageDefinitionInterface::getSettings()
Returns the storage settings.
Each field type defines the settings that are meaningful for that type. For example, a text field can define a 'max_length' setting, and an image field can define a 'alt_field_required' setting.
The method always returns an array of all available settings for this field type, possibly with the default values merged in if values have not been provided for all available settings.
mixed[] An array of key/value pairs.
public function getSettings();
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