@Override
    public String toString() {
        return "MetaAccumulator(" +
                "meta=" + this.meta + ", " +
                "prefixes=" + this.prefixes + ", " +
                "suffixes=" + this.suffixes + ", " +
                "weight=" + this.weight + ", " +
                "primaryGroup=" + this.primaryGroup + ", " +
                "prefixStack=" + this.prefixAccumulator + ", " +
                "suffixStack=" + this.suffixAccumulator + ")";
    }
"Completes" the accumulator, preventing any further changes.

Also performs some final processing on the accumulators state, before
data is read.
common/src/main/java/me/lucko/luckperms/common/cacheddata/type/MetaAccumulator.java