*
     * @param selectedFqName the selected fully qualified name of the KDoc
     * @param fullFqName the whole fully qualified name of the KDoc
     * @param contextElement the context element in which the KDoc is defined
     *
     * @return the collection of KtSymbol(s) resolved from the fully qualified name
     *         based on the selected FqName and context element
     */
    internal fun resolveKdocFqName(

            // Type alias detection.
            //
            // If we adjusted resolution to get a constructor instead of a class, we need to undo that
            // if the class is defined as a type alias. We can detect that situation when the constructed type
            // is different from the return type of the constructor.
            //

         * If a private property has no getter/setter (the typical situation for simple private properties without explicitly defined
         * getter/setter) then this method is not used at all. Instead
         * [org.jetbrains.kotlin.backend.jvm.lower.ReflectiveAccessLowering.visitGetField] (or visitSetField) generates the access without
         * asking.

        isUsed(expression)

    /**
     * [isUsed] and [doesParentUseChild] are defined in mutual recursion,
     * climbing up the syntax tree, passing control back and forth between the
     * two.
     *
     * Whether an expression is used is defined by the context in which it
     * appears. E.g. a "statement" in a block is considered used if it is the