#### §3.1.(j) Inferred callout

If a non-abstract role class inherits an abstract method the compiler tries to infer a callout binding for implementing the abstract method. Similarly, if a self-call in a role class cannot be resolved, the compiler tries to infer a callout to resolve the self-call.
Inference searches for a method in the bound base class such that

1. both methods have the same name
2. both methods have the same number of arguments
3. each argument of the abstract role method is compatible to the corresponding argument of the base method directly, or using boxing/unboxing or lowering.

Callouts inferred from an interface have `public` visibility, callouts inferred from a self-call have `private` visibility.

Per default inferred callout bindings are disabled, i.e., a compiler must report these as an error. However, a compiler should allow to configure reporting to produce a warning only (which can be suppressed using a `@SuppressWarnings("inferredcallout")` annotation), or to completely ignore the diagnostic.