src/main/java/com/arpnetworking/steno/LogValueMapFactory.java
public static LogValueMap of(final String k1, final Object v1) {
        return builder()
                .put(k1, v1)
                .build();
    }
public static LogValueMap of(final String k1, final Object v1) {
        return builder()
                .put(k1, v1)
                .build();
    }
Construct an immutable map from one key-value pair. Although this is more convenient than the
static factory methods this method does not capture the instance being logged.

@since 1.9.2

@param k1 Key one.
@param v1 Value one.
@return New <code>LogValueMap</code>.