code: function generateSchemas() {
    // this.ajv.addMetaSchema(_generate.call(this, 'evaluate_metaschema'));
    this._validate = this.ajv.compile(_generate.call(this, 'schema'));
    this._expandMacros = this.ajv.compile(_generate.call(this, 'expand_macros'));
    this._evaluate = this.ajv.compile(_generate.call(this, 'evaluate'));
    // console.log(this._validate.toString().length, this._evaluate.toString().length);
  }
docs: private function to regenerate validation and evaluation schemas, called when an instruction is added
  @this JSONScript