.B -Q
Output the QCALL likelihood format
.TP
+.B -f
+Reference-free variant calling mode. In this mode, the prior will be
+folded; a variant is called iff the sample(s) contains at least two
+alleles; the QUAL field in the VCF/BCF output is changed accordingly.
+.TP
.BI "-1 " INT
Number of group-1 samples. This option is used for dividing input into
two groups for comparing. A zero value disables this functionality. [0]