public Builder withLivenessCheckMode(final LivenessCheckMode livenessCheckMode) {
            this.livenessCheckMode = livenessCheckMode;
            return this;
        }
The template to create subdirectories within the 'path' directory.
The default value is <code>${year}${month}${day}/${feed}</code>
Must be a relative path.
stroom-proxy/stroom-proxy-app/src/main/java/stroom/proxy/app/handler/ForwardFileConfig.java