withPsiEntry("parent", parent)
                }
        }
    }
}

/**
 *  The left hand side of a `::` is regarded as used unless it refers to a type.
 *  We decide that the LHS is a type reference by checking if the left hand
 *  side is a (qualified) name, and, in case it _is_, resolving that name.
 *

     * prefixed with a suitable extension receiver type (like in `Foo.bar`, or `foo.Foo.bar`).
     *
     * Relies on the fact that in such references only the last qualifier refers to the
     * actual extension callable, and the part before that refers to the receiver type (either fully
     * or partially qualified).
     *
     * For example, `foo.Foo.bar` may only refer to the extension callable `bar` with