question: return the defined properties as an unmodifieable map . concode_field_sep Map<String,JsonNode> props concode_elem_sep Set<String> reserved concode_elem_sep Null NULL_VALUE concode_field_sep JsonNode getJsonProp concode_elem_sep void writeProps concode_elem_sep Map<String,String> getProps concode_elem_sep Map<String,JsonNode> jsonProps concode_elem_sep Map<String,Object> getObjectProps concode_elem_sep void addProp concode_elem_sep void addProp concode_elem_sep void addProp concode_elem_sep String getProp concode_elem_sep Object getObjectProp
target: Map < String , JsonNode > function ( ) { return Collections . unmodifiableMap ( props ) ; }