flex - arraycollection unique var -

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how create new arraycollection can generate unique variable name?

like:

ac+nu in ac1:arraycollection ac+nu in ac2:arraycollection ac+nu in ac3:arraycollection ac+nu in ac4:arraycollection nu++;

i think want:

var ac1:arraycollection = new arraycollection(sourcearraycollection.list); var ac2:arraycollection = new arraycollection(sourcearraycollection.list);

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