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Used in: Layer
optional uint64 id = 1
repeated uint32 tags = 2
optional GeomType type = 3
repeated uint32 geometry = 4
Used in: Feature
UNKNOWN = 0
POINT = 1
LINESTRING = 2
POLYGON = 3
Used in: Tile
required uint32 version = 15
required string name = 1
repeated Feature features = 2
repeated string keys = 3
repeated Value values = 4
optional uint32 extent = 5
Used in: Layer
optional string string_value = 1
optional float float_value = 2
optional double double_value = 3
optional int64 int_value = 4
optional uint64 uint_value = 5
optional sint64 sint_value = 6
optional bool bool_value = 7