[1] Uniform Type Identifier Concepts (3/22/2018, 5:47:45 PM) <https://developer.apple.com/library/content/documentation/FileManagement/Conceptual/understanding_utis/understand_utis_conc/understand_utis_conc.html#//apple_ref/doc/uid/TP40001319-CH202-CHDHIJDE>
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