version 1.0;
package android.hardware.tests;

interface IMappableRegion {

  enum  MappingType : int32_t {
                        UNDEFINED_MAPPING,
                        ASHMEM_MAPPING,
                        FILE_MAPPING
                    };
		    var   ref<char> mFd = -1;
                    var MappingType mRegionType = MappingType::UNDEFINED_MAPPING;
                    var int64_t mOffset;
                    var uint64_t mSize = 0;
              
};