OptionalfillNumber of fill parameters described in fillParameters. If omitted, the count is inferred from the array length.
OptionalfillFill parameters used by consumers that need style-specific fill metadata.
OptionalparameterNumber of line parameters described in parameters. If omitted, the count is inferred from the array length.
OptionalparametersElement parameters where the first value is treated as the miter offset.
Input payload for one MLINE element in a segment.