private String toMethodName(String fullQualifiedMethodName) {
            final int methodBeginPosition = fullQualifiedMethodName.lastIndexOf('.');
            if (methodBeginPosition <= 0 || methodBeginPosition + 1 >= fullQualifiedMethodName.length()) {
                throw new IllegalArgumentException("invalid full qualified method name(" + fullQualifiedMethodName + "). not found method");
            }

            return fullQualifiedMethodName.substring(methodBeginPosition + 1);
        }
@author Harris Gwag (gwagdalf)
@author Taejin Koo
agent-module/plugins/kafka/src/main/java/com/navercorp/pinpoint/plugin/kafka/KafkaPlugin.java