package org.jvirtanen.parity.match;

/**
 * The order side.
 */
public enum Side {
    BUY,
    SELL
}

package org.jvirtanen.parity.match;

public enum Side {
    BUY,
    SELL
}

--- 
+++ 
@@ -1,5 +1,8 @@
 package org.jvirtanen.parity.match;
 
+/**
+ * The order side.
+ */
 public enum Side {
     BUY,
     SELL
Add documentation for side in matching engine
