valid-services
Ensures that accesses of the Services object are valid.
Services are defined in tools/lint/eslint/eslint-plugin-mozilla/lib/services.json and can be added by copying from
<objdir>/xpcom/components/services.json after a build.
Examples of incorrect code for this rule:
Assuming foo is not defined within Services.
Services.foo.fn();
Examples of correct code for this rule:
Assuming bar is defined within Services.
Services.bar.fn();