plugins/InspectionGadgets/test/com/siyeh/igfixes/logging/string_concatenation_argument_to_log_call/UseOfConstant.java

import org.slf4j.*;

class UseOfConstant {

    void foo() {
        Logger logger = LoggerFactory.getLogger(UseOfConstant.class);
        final String CONST = "const";
        String var = "var";
        logger.in<caret>fo("string " + (var) + CONST);
    }
}