get all symbols used in definitions . concode_field_sep String symbol concode_elem_sep long serialVersionUID concode_elem_sep String signature concode_elem_sep int line concode_elem_sep long serialVersionUID concode_elem_sep Map<Integer,LineTagMap> line_maps concode_elem_sep String type concode_elem_sep Map<String,Set<Integer>> symbols concode_elem_sep List<Tag> tags concode_elem_sep long serialVersionUID concode_elem_sep String namespace concode_elem_sep Map<String,Set<Tag>> sym_tags concode_elem_sep String text concode_field_sep int occurrences concode_elem_sep byte[] serialize concode_elem_sep boolean hasDefinitionAt concode_elem_sep boolean hasSymbol concode_elem_sep int numberOfSymbols concode_elem_sep List<Tag> getTags concode_elem_sep List<Tag> getTags concode_elem_sep void addTag concode_elem_sep void addTag concode_elem_sep Definitions deserialize
Set < String > function ( ) { return symbols . keySet ( ) ; }