The code creates a new resource called "aws_alb_listener_rule" with the following configuration. The "aws_alb_listener_rule" resource has the following configuration:

name: "rule-1"

description: "Rule for all ALBs"

source: "global"

target: "aws_alb_listener"

This code creates a new rule for all ALBs. The "rule-1" rule has the following configuration:

arn:aws_alb_listener:rule-1:123456

This rule specifies that the ALB should be listed as a target for the "aws_alb_listener" resource.