// Ticket item indicating what margins to use (in microns). message MarginsTicketItem {

// Top margin of the page (required).
optional int32 top_microns = 1;

// Top margin of the page (required).
optional int32 right_microns = 2;

// Top margin of the page (required).
optional int32 bottom_microns = 3;

// Top margin of the page (required).
optional int32 left_microns = 4;

}