code: public static BinderContext bind(BinderType format) {
  		BinderContext binder = binders.get(format);
  
  		if (binder == null)
  			throw new KriptonRuntimeException(String.format("%s format is not supported", format));
  
  		return binder;
  	}
docs: retrieve binding context for specified data format.
  
  @param format
  data format used to persist data
  @return binding context