constructor(private readonly _kind: TypeKind, private readonly _components: ReadonlyArray<any>) {
     let h = hashCodeInit;
     h = addHashCode(h, hashCodeOf(this._kind));
     for (const c of _components) {
         h = addHashCode(h, hashCodeOf(c));
     }
     this._hashCode = h;
 }

 hashCode(): number {
     let h = super.hashCode();
     h = addHashCode(h, hashCodeOf(this.nullTransformer));
     h = addHashCode(h, hashCodeOf(this.integerTransformer));
     h = addHashCode(h, hashCodeOf(this.doubleTransformer));
     h = addHashCode(h, hashCodeOf(this.boolTransformer));
     h = addHashCode(h, hashCodeOf(this.stringTransformer));
     h = addHashCode(h, hashCodeOf(this.arrayTransformer));
     h = addHashCode(h, hashCodeOf(this.objectTransformer));
     return h;
 }

 hashCode(): number {
     return hashCodeOf(this.typeData) + (this.isOptional ? 17 : 23);
 }