Schema_ = function() {
  /** @private {string} */
  this.name_ = 'schema' + goog.now();

  /** @private {number} */
  this.version_ = 1;

  /** @private {!lf.schema.Table} */
  this.tableA_ = new Table_('tableA_');

  /** @private {!lf.schema.Table} */
  this.tableB_ = new Table_('tableB_');

  /** @private {!lf.schema.Database.Pragma} */
  this.pragma_ = {
    enableBundledMode: false
  };

  /** @private {!lf.schema.Info} */
  this.info_;
}
Controllable schema used for this test.
@implements {lf.schema.Database}
@constructor
@private