http refactored to fix circular references

net/http_request.d.ts

@@ -0,0 +1,31 @@
+/**
+  * The http client interface.
+  */
+import image_module = require("Image/image");
+import promises = require("promises/promises");
+
+export declare function request(options: HttpRequestOptions): promises.Promise<HttpResponse>;
+
+export interface HttpRequestOptions {
+    url: string;
+    method: string;
+    headers?: HttpHeader[];
+    content?: HttpContent;
+}
+
+export interface HttpHeader {
+    name: string;
+    value: string;
+}
+
+export interface HttpResponse {
+    statusCode: number;
+    headers: HttpHeader[];
+    content?: HttpContent;
+}
+
+export interface HttpContent {
+    toString: () => string;
+    toJSON: () => any;
+    toImage: () => image_module.Image;
+}