Salesforce SOQL Restful API Query Builder SDK

const producer = FactoryProducer.getFactory('search');
const searchQuery = producer.getQueryBuilder('SEARCH_QUERY')!;
const query = searchQuery.buildQuery({
  type: 'SELECT',
  fields: ['Id', 'Name'],
  object: 'Opportunity',
  filter: {
    type: 'AND',
    expression: [
      {
        field: 'StageName',
        operator: '=',
        value: "'Closed Won'",
      },
      {
        field: 'ExpectedRevenue',
        operator: '>=',
        value: 50000,
      },
    ],
  },
  limit: 50,
});

console.info(query);