Enums.MgrsConversionMode enumeration

The MgrsConversionMode can be one of:

Constant	Description
`Enums.MgrsConversionModeAutomatic`	`(0)` The choice of MGRS lettering scheme is based on the datum and ellipsoid of the spatial reference provided. Spatial references with new datums (e.g. `WGS` 84) assume new lettering scheme (AA scheme). This is equivalent to `New180InZone60`. Spatial references with older datums (e.g. `Clarke` 1866, `Bessel` 1841, `Clarke` 1880) assume old lettering scheme (AL scheme). This is equivalent to `MgrsConversionMode.Old180InZone60`. When converted, points with longitude of exactly `180deg` are placed in `zone` 60.
`Enums.MgrsConversionModeNew180InZone01`	`(1)` The MGRS notation uses the new lettering scheme (AA scheme) and, when converted, places points with longitude of `180deg` in `zone 01`.
`Enums.MgrsConversionModeNew180InZone60`	`(2)` The MGRS notation uses the new lettering scheme (AA scheme) and, when converted, places points with longitude of `180deg` in `zone 60`.
`Enums.MgrsConversionModeOld180InZone01`	`(3)` The MGRS notation uses the old lettering scheme (AL scheme) and, when converted, places points with longitude of `180deg` in `zone 01`.
`Enums.MgrsConversionModeOld180InZone60`	`(4)` The MGRS notation uses the old lettering scheme (AL scheme) and, when converted, places points with longitude of `180deg` in `zone 60`.