add extension APIs to get live data

Signed-off-by: Yan Zhang <yanzh@microsoft.com>

vscode-extensions/vscode-spring-boot/lib/api.d.ts

@@ -0,0 +1,42 @@
+import { Event } from "vscode";
+import { LanguageClient } from "vscode-languageclient/node";
+
+export interface ExtensionAPI {
+    readonly client: LanguageClient;
+
+    /**
+     * An event which fires on live process is connected. Payload is processKey.
+     */
+    readonly onDidLiveProcessConnect: Event<string>
+
+    /**
+     * An event which fires on live process is disconnected. Payload is processKey.
+     */
+    readonly onDidLiveProcessDisconnect: Event<string>
+
+    /**
+     * A command to get live process data.
+     */
+    readonly getLiveProcessData: (query: SimpleQuery | BeansQuery) => Promise<any>
+
+}
+
+interface LiveProcessDataQuery {
+    /**
+     * unique identifier of a connected live process.
+     */
+    processKey: string;
+}
+
+interface SimpleQuery extends LiveProcessDataQuery {
+    endpoint: "mappings" | "contextPath" | "port" | "properties";
+}
+
+interface BeansQuery extends LiveProcessDataQuery {
+    endpoint: "beans";
+    /**
+     * if provided, return corresponding beans via name.
+     */
+    beanName?: string;
+    dependingOn?: string;
+}