CauseItem[] (TrackingRunner runner, PsiExpression expression, MemoryStateChange history) { if (expression instanceof PsiTypeCastExpression) { PsiType expressionType = expression.getType(); MemoryStateChange operandPush = history.findExpressionPush(((PsiTypeCastExpression)expression).getOperand()); if (operandPush != null) { return new CauseItem[]{findTypeCause(operandPush, expressionType, false)}; } } return new CauseItem[0]; }