Select the functions that should be called in place of a classic cast operator.

This selector searches for the functions with:

• the prefix text to for the object types, e.g. toString; and
• the post-fix text Value for the primitive types, e.g. (intValue.

This selector also applies the following criteria, assuming E is the type of the expression to cast and T is the destination type:

• T is assignable from the the return value's type.
• E is assignable from the argument's type.