code: @Override
  	public CharSequence apply( String context, Options options )
  	throws IOException {
  
  		CharSequence result = StringUtils.EMPTY;
  		Object model = options.context.model();
  		if( model instanceof VariableContextBean ) {
  			String name = ((VariableContextBean) model).getName();
  			if( Objects.equals( name, context ))
  				result = ((VariableContextBean) model).getValue();
  		}
  
  		return result;
  	}
docs: /*
  (non-Javadoc)
  @see com.github.jknack.handlebars.Helper
  #apply(java.lang.Object, com.github.jknack.handlebars.Options)