use AppleScript version "2.4" — Yosemite (10.10) or later
use framework "Foundation"
use framework "UTI" –https://github.com/macmade/objc-uti
use scripting additions

set aUTIObj to (current application’s UTI’s UTIWithMIMEType:"image/gif")

set aRes to aUTIObj’s identifier()
–> com.compuserve.gif

set aRes to aUTIObj’s |description|() as string
–> "Graphics Interchange Format（GIF）"

set aRes to aUTIObj’s preferredOSType() as string
–> "GIFf"

set aRes to aUTIObj’s isDynamic() as boolean
–> false

set aRes to aUTIObj’s preferredFilenameExtension() as string
–> "gif"

set aRes to aUTIObj’s preferredMIMEType() as string
–> "image/gif"

set aRes to aUTIObj’s preferredNSPboardType() as string
–> "missing value"

set aRes to aUTIObj’s declaration() as record
–> {UTTypeIdentifier:"com.compuserve.gif", UTTypeDescription:"Graphics Interchange Format (GIF)", UTTypeTagSpecification:{|com.apple.ostype|:{"GIFf"}, |public.mime-type|:{"image/gif"}, |public.filename-extension|:{"gif"}}, UTTypeConformsTo:{"public.image"}}

set aRes to aUTIObj’s declaringBundleURL()’s |path|() as string
–> "/System/Library/CoreServices/CoreTypes.bundle"

set aRes to aUTIObj’s tagSpecifications() as record
–> {|com.apple.ostype|:{"GIFf"}, |public.mime-type|:{"image/gif"}, |public.filename-extension|:{"gif"}}

set aRes to aUTIObj’s conformsTo() as list
–> {"public.image"}

set aRes to aUTIObj’s referenceURL()
–> missing value

set aRes to aUTIObj’s |version|()
–> missing value