src/vs/workbench/api/common/extHostDebugService.ts/ExtHostDebugConsole/constructor
class ExtHostDebugConsole:	constructor(proxy: MainThreadDebugServiceShape) {

		this.value = Object.freeze({
			append(value: string): void {
				proxy.$appendDebugConsole(value);
			},
			appendLine(value: string): void {
				this.append(value + '\n');
			}
		});
	}