question: returns the number of alternative reference in this funding referece concode_field_sep FundingSourceSuite suite concode_elem_sep Long id concode_elem_sep FundingSource source concode_elem_sep Set<FundingSourceAltRef> altRefs concode_field_sep boolean containsAlternative concode_elem_sep void setSuite concode_elem_sep void setSource concode_elem_sep void removeAltRef concode_elem_sep FundingSource getSource concode_elem_sep void setAltRefs concode_elem_sep void setId concode_elem_sep Long getId concode_elem_sep FundingSourceSuite getSuite concode_elem_sep Set<FundingSourceAltRef> getAltRefs concode_elem_sep FundingSourceAltRef getFundingSourceAltRef
target: int function ( ) { return getAltRefs ( ) . size ( ) ; }