src/vs/editor/contrib/find/findController.ts/CommonFindController/getGlobalBufferTerm
class CommonFindController:	public async getGlobalBufferTerm(): Promise<string> {
		if (this._editor.getOption(EditorOption.find).globalFindClipboard
			&& this._editor.hasModel()
			&& !this._editor.getModel().isTooLargeForSyncing()
		) {
			return this._clipboardService.readFindText();
		}
		return '';
	}