Stylers can be one of three kinds: "fusiontables#fromColumn" if the column value is to be used
as is, i.e., the column values can have colors in #RRGGBBAA format or integer line widths or
icon names; "fusiontables#gradient" if the styling of the row is to be based on applying the
gradient function on the column value; or "fusiontables#buckets" if the styling is to based on
the bucket into which the the column value falls.
Stylers can be one of three kinds: "fusiontables#fromColumn" if the column value is to be used
as is, i.e., the column values can have colors in #RRGGBBAA format or integer line widths or
icon names; "fusiontables#gradient" if the styling of the row is to be based on applying the
gradient function on the column value; or "fusiontables#buckets" if the styling is to based on
the bucket into which the the column value falls.