How to use @comunica/actor-sparql-parse-algebra - 1 common examples

'name': 'https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-init-sparql/^1.0.0/config/sets/sparql-queryoperators.json#mediatorQueryOperation',
  'bus': https___linkedsoftwaredependencies_org_bundles_npm__comunica_bus_query_operation_Bus_QueryOperation
});
const https___linkedsoftwaredependencies_org_bundles_npm__comunica_actor_init_sparql__1_0_0_config_sets_sparql_queryoperators_json_myEmptyBgpQueryOperator = new (require('@comunica/actor-query-operation-bgp-empty').ActorQueryOperationBgpEmpty)({
  'name': 'https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-init-sparql/^1.0.0/config/sets/sparql-queryoperators.json#myEmptyBgpQueryOperator',
  'bus': https___linkedsoftwaredependencies_org_bundles_npm__comunica_bus_query_operation_Bus_QueryOperation
});
const https___linkedsoftwaredependencies_org_bundles_npm__comunica_actor_init_sparql__1_0_0_config_sets_sparql_queryoperators_json_myValuesQueryOperator = new (require('@comunica/actor-query-operation-values').ActorQueryOperationValues)({
  'name': 'https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-init-sparql/^1.0.0/config/sets/sparql-queryoperators.json#myValuesQueryOperator',
  'bus': https___linkedsoftwaredependencies_org_bundles_npm__comunica_bus_query_operation_Bus_QueryOperation
});
const https___linkedsoftwaredependencies_org_bundles_npm__comunica_actor_init_sparql__1_0_0_config_sets_sparql_init_json_mediatorSparqlParse = new (require('@comunica/mediator-race').MediatorRace)({
  'name': 'https://linkedsoftwaredependencies.org/bundles/npm/@comunica/actor-init-sparql/^1.0.0/config/sets/sparql-init.json#mediatorSparqlParse',
  'bus': https___linkedsoftwaredependencies_org_bundles_npm__comunica_bus_sparql_parse_Bus_SparqlParse
});
const https___linkedsoftwaredependencies_org_bundles_npm__comunica_actor_init_sparql__1_0_0_config_sets_sparql_parsers_json_mySparqlParser = new (require('@comunica/actor-sparql-parse-algebra').ActorSparqlParseAlgebra)({
  'prefixes': {
    'rdf': 'http://www.w3.org/1999/02/22-rdf-syntax-ns#',
    'rdfs': 'http://www.w3.org/2000/01/rdf-schema#',
    'owl': 'http://www.w3.org/2002/07/owl#',
    'xsd': 'http://www.w3.org/2001/XMLSchema#',
    'dc': 'http://purl.org/dc/terms/',
    'dcterms': 'http://purl.org/dc/terms/',
    'dc11': 'http://purl.org/dc/elements/1.1/',
    'foaf': 'http://xmlns.com/foaf/0.1/',
    'geo': 'http://www.w3.org/2003/01/geo/wgs84_pos#',
    'dbpedia': 'http://dbpedia.org/resource/',
    'dbpedia-owl': 'http://dbpedia.org/ontology/',
    'dbpprop': 'http://dbpedia.org/property/',
    'schema': 'http://schema.org/',
    'skos': 'http://www.w3.org/2008/05/skos#'
  },