code: function ( db ) {
            try {
              if ( Array.isArray( options.schemas ) ) {
                options.schemas.forEach(
                  function ( schema ) {
                    var keys = Object.keys( schema );
  
                    db.model( keys[ 0 ], schema[ keys[ 0 ] ] );
                  }
                );
              }
  
              return db;
            } catch ( err ) {
              throw err;
            }
          }
docs: @param {Object} db
  @param {Function} db.model
  
  @throws {Error}
  @returns {*}