public LoggingEventBuilder addKeyValue()

in slf4j-to-log4j-api/src/main/java/org/apache/logging/slf4j/Log4jEventBuilder.java [88:94]

• 7 lines of code
• 2 McCabe index (conditional complexity)

    public LoggingEventBuilder addKeyValue(final String key, final Supplier<Object> valueSupplier) {
        if (keyValuePairs == null) {
            keyValuePairs = new HashMap<>();
        }
        keyValuePairs.put(key, String.valueOf(valueSupplier.get()));
        return this;
    }