Label interface

This document details the methods of the Label interface you can use on any Label, such as those returned by the Getters when you access Labels.

Method	Return type	Returns
`equals(Object o)`	boolean	True if the issue is a Sub-task
`getCustomFieldId()`	`Long`	The ID of the custom labels field, null if it is Standard JIRA Labels field
`getId()`	`Long`	The Id of the Label
`getIssue()`	`Long`	The Id of the current issue
`getLabel()`	`String`	The Label value
`toString()`	String	The labels as a String