question: returns the peptide sequence . concode_field_sep String proteinAccession concode_elem_sep ArrayList<ModificationMatch> modificationMatches concode_elem_sep int index concode_elem_sep String peptideSequence concode_elem_sep ArrayList<VariantMatch> variantMatches concode_field_sep int getIndex concode_elem_sep HashMap<String,HashSet<String>> getPeptideProteinMap concode_elem_sep ArrayList<VariantMatch> getVariantMatches concode_elem_sep String getProteinAccession concode_elem_sep HashMap<String,HashMap<String,ArrayList<Integer>>> getPeptideProteinIndexesMap concode_elem_sep Collection<Peptide> getPeptides concode_elem_sep ArrayList<ModificationMatch> getModificationMatches
target: String function ( ) { return peptideSequence ; }