```test.map { mapOf(it[0] to it[2])}.flatMap { it....

# announcements

[snowe]

test.map { mapOf(it[0] to it[2])}.flatMap { it.entries }
[key1=val1, key1=val2, key2=val3]

test.map { mapOf(it[0] to it[2])}.flatMap { it.entries }.groupBy {it.key}
{key1=[key1=val1, key1=val2], key2=[key2=val3]}