Can anybody figure out me what is A1 in this spice file?

.subckt LT1117-2.85 1 2 3
C4 3 COM 10p
C5 2 COM 5p
M1 N001 N005 2 2 Q temp=27
D1 3 2 IM
D2 3 N001 DO
G2 3 N005 3 2 13n
D3 3 COM 55uA
G1 N005 2 2 N004 100µ
C1 2 N005 50p Rpar=10K noiseless
C3 N001 3 10p
C2 2 N004 5n
A1 2 COM 2 2 2 2 N004 2 OTA g=100u Iout=10u Ref=1.259 Vhigh=10 Vlow=-10
D5 N004 2 10K
R1 2 COM 250 noiseless
R2 COM 1 313 noiseless
.model Q VDMOS(Vto=0 Kp=800K)
.model IM D(Ron=100 Vfwd=.6 epsilon=.2 Ilimit=1.7m noiseless)
.model DO D(Ron=.1 epsilon=.07 Vfwd=.95 Ilimit=.95 noiseless)
.model 55uA D(Ron=10K Roff=10K Ilimit=55u noiseless)
.model 10K D(Ron=1 Roff=10K Vfwd=3m Vrev=3m epsilon=100m revepsilon=100m noiseless)
.ends LT1117-2.85

See the LTSPICE manual: undocumented proprietary special function/mixed mode simulation devices

OTA: probably “operational transconductance amplifier”

Edit:
http://ltwiki.org/?title=Undocumented_LTspice#OTA

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