code: public String getTrimmed(String name, String defaultValue) {
  		String ret = getTrimmed(name);
  		return ret == null ? defaultValue : ret;
  	}
docs: Get the value of the <code>name</code> property as a trimmed <code>String</code>,
  <code>defaultValue</code> if no such property exists.
  See @{Configuration#getTrimmed} for more details.
  
  @param name          the property name.
  @param defaultValue  the property default value.
  @return              the value of the <code>name</code> or defaultValue
  if it is not set.