class Test {
	public static function parse (json:String) {
		var rawData: DataRaw = haxe.Json.parse(json);
		var encoded = rawData.mappings.split(';'); // generate @:implicitCast instead of Cast before split
		trace(encoded);
	}

	static function main() {
		parse("{ \"mappings\" : \"some;thing\"}");
	}
}

abstract DataRaw(haxe.DynamicAccess<Any>) to haxe.DynamicAccess<Any> {
	public var mappings(get,never) : String;
	inline function get_mappings() : String
		return this.get('mappings');
}

[Var encoded<12356>(VUsedByTyper):Array<String>]
	[Call:Array<String>]
		[Field:(delimiter : String) -> Array<String>]
			[Meta:String]
				:implicitCast
				[Cast:Dynamic]
					[Cast:Null<Any>]
						[Call:Dynamic]
							[Field:(o : Dynamic, field : String) -> Dynamic]
								[TypeExpr Reflect:Class<Reflect>]
								[FStatic:(o : Dynamic, field : String) -> Dynamic]
									Reflect
									field:(o : Dynamic, field : String) -> Dynamic
							[Cast:Dynamic<Any>] [Cast:haxe.DynamicAccess<Any>] [Local rawData(12337):DataRaw:DataRaw]
							[Const:String] "mappings"
			[FInstance:(delimiter : String) -> Array<String>]
				String
				split:(delimiter : String) -> Array<String>
		[Const:String] ";"