override val isSuspend: Boolean
        get() = withValidityAssertion { psi.hasModifier(KtTokens.SUSPEND_KEYWORD) }

    override val isOperator: Boolean
        get() = withValidityAssertion { psi.hasModifier(KtTokens.OPERATOR_KEYWORD) }

    override val isExternal: Boolean
        get() = withValidityAssertion { psi.hasModifier(KtTokens.EXTERNAL_KEYWORD) }

    override val isInline: Boolean

        check(this is KtFirAnalysisSession)
        val firLoop = expression.getOrBuildFirSafe<FirWhileLoop>(firResolveSession) ?: return emptyList()
        val condition = firLoop.condition as? FirFunctionCall
        val iterator = ******@****.*** {
            val callee = (condition?.explicitReceiver as? FirQualifiedAccessExpression)?.calleeReference

                super.visitForExpression(expression)

                val bindingContext = analysisContext.analyze(expression)

                collector.checkResolveCall(bindingContext.get(BindingContext.LOOP_RANGE_ITERATOR_RESOLVED_CALL, expression.loopRange))
                collector.checkResolveCall(bindingContext.get(BindingContext.LOOP_RANGE_HAS_NEXT_RESOLVED_CALL, expression.loopRange))

    runTest("analysis/analysis-api/testData/symbols/symbolByFqName/fileWalkDirectionEnum.kt");
  }

  @Test
  @TestMetadata("iterator.kt")
  public void testIterator() {
    runTest("analysis/analysis-api/testData/symbols/symbolByFqName/iterator.kt");
  }

  @Test
  @TestMetadata("kclass.kt")
  public void testKclass() {
    runTest("analysis/analysis-api/testData/symbols/symbolByFqName/kclass.kt");