src/vs/base/parts/quickinput/browser/quickInput.ts/InputBox/show
class InputBox:	override show() {
		if (!this.visible) {
			this.visibleDisposables.add(
				this.ui.inputBox.onDidChange(value => {
					if (value === this.value) {
						return;
					}
					this._value = value;
					this.onDidValueChangeEmitter.fire(value);
				}));
			this.visibleDisposables.add(this.ui.onDidAccept(() => this.onDidAcceptEmitter.fire()));
			this.valueSelectionUpdated = true;
		}
		super.show();
	}