void ( @NotNull GrBinaryExpression expression) { super.visitBinaryExpression(expression); final GrExpression rhs = expression.getRightOperand(); if (rhs == null) { return; } final IElementType tokenType = expression.getOperationTokenType(); if (!GroovyTokenTypes.mDIV.equals(tokenType) && !GroovyTokenTypes.mMOD.equals(tokenType)) { return; } if (!isZero(rhs)) { return; } registerError(expression); }