this method returns the sequence start position . concode_field_sep int occurrences concode_elem_sep double score concode_elem_sep String sequence concode_elem_sep String strand concode_elem_sep String cigar concode_elem_sep String chromosome concode_elem_sep int map_quality concode_elem_sep int start concode_elem_sep int end concode_elem_sep String firstData concode_elem_sep String quality concode_field_sep void setCigar concode_elem_sep void setSequence concode_elem_sep void setStrand concode_elem_sep int getEnd concode_elem_sep String getChromosome concode_elem_sep String getStrand concode_elem_sep void setQuality concode_elem_sep int getOccurrences concode_elem_sep String getQuality concode_elem_sep void setStart concode_elem_sep String getFirstData concode_elem_sep void increaseOccurrence concode_elem_sep void setMap_quality concode_elem_sep String toString concode_elem_sep void setEnd concode_elem_sep double getScore concode_elem_sep int getMap_quality concode_elem_sep String getSequence concode_elem_sep String getCigar concode_elem_sep void setChromosome concode_elem_sep void setScore concode_elem_sep void setOccurrences concode_elem_sep void setFirstData
int function ( ) { return this . start ; }