に先駆けて => prior to; to be the first (pioneer); being ahead of ~ N1
に[先駆「さきが」]けて => The earliest, very first in A; Ahead of A, in advance of A N1
Time, Situation
だけ(のことは)あって/だけのことはある => no wonder; as expected of; not ... for nothing; not ... with nothing to show for it N2
~こと請け合い => I guarantee ... N1
Happens next
けっか => as a result of; after ~ N3
Result
…だけのことだ => That's all, just... N2
Position, perspective
これだけ … のだから ... => To this extent... N2
Emphasis on degree
[決「けっ」]して~ない => Won’t, isn’t N3
Will, Decision, Doing
いっこうに ... ない => Still haven't seen... N3
Emphasize negative meaning
ところだった => About to… N3
Will, Decision, Doing
っこない => no chance of; … is definitely not possible N2
っけ => Huh (a casual suffix to confirm something you are trying to remember) N3