this for ab device
lpmake --metadata-size 65536
–super-name super
–metadata-slots=2
–device super:4330033152
–group main_a:4184092672
–group main_b:145940480
–partition system_a:readonly:2153730048:main_a --image system_a=./system_a.img
–partition product_a:readonly:1101447168:main_a --image product_a=./product_a.img
–partition vendor_a:readonly:376209408:main_a --image vendor_a=./vendor_a.img
–partition system_b:readonly:145940480:main_b --image system_b=./system_b.img
–partition product_b:readonly:0:main_b
–partition vendor_b:readonly:0:main_b
–sparse
–output ./super.img