Add TypeScript integrations package

ts/core/classes.discoverydescriptor.ts

@@ -0,0 +1,47 @@
+import type {
+  IDiscoveryDescriptorOptions,
+  IDiscoveryMatcher,
+  IDiscoveryProbe,
+  IDiscoveryValidator,
+} from './types.js';
+
+export class DiscoveryDescriptor {
+  public readonly integrationDomain: string;
+  public readonly displayName: string;
+
+  private readonly probes: IDiscoveryProbe[] = [];
+  private readonly matchers: IDiscoveryMatcher[] = [];
+  private readonly validators: IDiscoveryValidator[] = [];
+
+  constructor(optionsArg: IDiscoveryDescriptorOptions) {
+    this.integrationDomain = optionsArg.integrationDomain;
+    this.displayName = optionsArg.displayName;
+  }
+
+  public addProbe(probeArg: IDiscoveryProbe): this {
+    this.probes.push(probeArg);
+    return this;
+  }
+
+  public addMatcher<TInput>(matcherArg: IDiscoveryMatcher<TInput>): this {
+    this.matchers.push(matcherArg as IDiscoveryMatcher);
+    return this;
+  }
+
+  public addValidator(validatorArg: IDiscoveryValidator): this {
+    this.validators.push(validatorArg);
+    return this;
+  }
+
+  public getProbes(): IDiscoveryProbe[] {
+    return [...this.probes];
+  }
+
+  public getMatchers(): IDiscoveryMatcher[] {
+    return [...this.matchers];
+  }
+
+  public getValidators(): IDiscoveryValidator[] {
+    return [...this.validators];
+  }
+}