TracerName:
    | ""
    | "4byte"
    | "call"
    | "noop"
    | "prestate"
    | "unigram"
    | "bigram"
    | "trigram"
    | "evmdis"
    | "opcount"
    | null

TracerName is the name of the tracer to use.

It determines Output and Input configuration.

An empty name stands for the default struct logger tracer.