private void collect(Set<CtMethod> result, CtClass c) {
        if (c == null) {
            return
        }

        result.addAll(c.declaredMethods.findAll { isPublicApi(it) })

        collect(result, c.superclass)
    }

    private boolean isPublicApi(CtMethod method) {
        return Modifier.isPublic(method.modifiers) || Modifier.isProtected(method.modifiers)
    }

                    isVisible(it.value, targetDescriptor, useSiteDescriptor, analysisContext.languageVersionSettings)
                }
            }
        }

        return false
    }

    override fun isPublicApi(symbol: KtSymbolWithVisibility): Boolean {
        val descriptor = getSymbolDescriptor(symbol) as? DeclarationDescriptorWithVisibility ?: return false
        return descriptor.isEffectivelyPublicApi || descriptor.isPublishedApi()

                    null -> true
                    else -> outerClass.isVisibleByPsi(useSiteFile)
                }
            }
        }

        return null
    }

    override fun isPublicApi(symbol: KtSymbolWithVisibility): Boolean {
        require(symbol is KtFirSymbol<*>)
        val declaration = symbol.firSymbol.fir as? FirMemberDeclaration ?: return false