Takes a type-0x6 output buffer containing an array where the struct size is 0x18-bytes, and a type-0x5 input buffer containing an array of u64s. Returns an output u32.
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Takes a type-0x6 output buffer containing an array of [[#LastPlayTime]], and a type-0x5 input buffer containing an array of u64 titleIDs. Returns an output u32 for actual total output entries.