of vacatur is to protect an unreviewable decision 'from spawning any legal st., 208 P.3d 168, 172-73 (Alaska 2009) (describing " 'revolving door' pattern of arrest, hospitalization, release, and relapse" and noting respondent had been admitted to API at least 68 times). 19 . AS 47.30.735(c). "Mental illness" is defined in AS 47.30.915(12) as "an organic, mental, or emotional impairment that has substantial adverse effects on an individual's ability to exercise conscious control of the individual's actions or ability to perceive reality or to reason or understand; mental retardation, epilepsy, drug addiction, and alcoholism do not per se constitute mental illness, although persons suffering from these conditions may also be suffering from mental illness." 20 . E.P., 205 P.3d at 1110 (<HOLDING>). 21 . See AS 47.30.655(2) (noting principle of
holding that outofstate plaintiff had procured his own absence at trial of his case where record contained no intimation that his absence resulted from any reason other than his own volition holding that agent could testify as to his impressions of intercepted telephone conversations under rule 701 because he was explaining coded  words and phrases that were unique such that his understanding came only as result of things he had perceived not from specialized knowledge holding that a witness may testify about his subjective interpretation of a conversation in which he is participating as long as his opinion is rationally based on his perception and is helpful either to an understanding of his testimony or to the determination of a fact in issue holding that in a 18 usc  922g1 prosecution ussg  5k21 upward departure was warranted because the defendant should have foreseen the possibility of serious harm as a result of his actions even though the defendant harbored no intent to harm and was not directly responsible for the death holding that because ep is risking harm from his own affirmative action we conclude that eps continued intent to huff gas as a result of his impaired judgment and understanding meets the standards of as 473091510a and c 