Instructs the given handler to zoom its content to 1, and then report back how big the page needs to be to
render the entire dataset. Note that this method returns an array serialized as a string.
Parameters
handlerId: string
ID of the handler to scale.
margins: Margins = ...
Optional margins to use (in [top,right,bottom,left] format). Values here are expressed in whatever you specify for units,
which defaults to CENTIMETERS if you leave it empty.
Instructs the given handler to zoom its content to 1, and then report back how big the page needs to be to render the entire dataset. Note that this method returns an array serialized as a string.