A tile set that contains data that is possibly copyrighted. The methods of this interface allow users to retrieve copyright related information that should be displayed when using the data contained in this tile set.
Returns a list of attribution strings that should be displayed when using the specified subset of this tile set.
an object hash describing the tile region for which the attribution strings should be retrieved
a (possibly empty) list of attribution strings
Returns a URL referring to a graphical logo of the copyright owner of this data. If a logo is not available
this method will return
a URL referring to a graphical logo or