precedenceOf method
Returns the index position of the given propertySource
in the list,
or -1
if it is not present.
Implementation
int precedenceOf(PropertySource propertySource) => _sources.indexOf(propertySource);
Returns the index position of the given propertySource
in the list,
or -1
if it is not present.
int precedenceOf(PropertySource propertySource) => _sources.indexOf(propertySource);