code: def serve_layout() -> dbc.Container:
      """Constructs the app's layout.
  
      Returns
      -------
      dbc.Container
          A Container withholding the layout.
  
      """
      return dbc.Container(
          [
              dbc.Container(
                  html.H1(
                      "Data visualization - coarse & dynamic graph"
                  ),
                  style={"textAlign": "center"},
              ),
              html.Hr(),
              dbc.Row(
                  [
                      # Add file selection layout (+ assign callbacks)
                      dbc.Col(
                          multiple_folder_file_selector(
                              app, name_folder_list, multi=False
                          ),
                          md=2,
                      ),
                      # Add the graphs, the dcc.Store (for serialization) and the
                      dbc.Col(
                          [
                              # The coarse graph whose updates will fetch data for the
                              dcc.Graph(
                                  id="coarse-graph",
                                  figure=go.Figure(),
                                  config={
                                      "modeBarButtonsToAdd": [
                                          "drawrect"
                                      ]
                                  },
                              ),
                              html.Br(),
                              dcc.Graph(
                                  id="plotly-resampler-graph",
                                  figure=go.Figure(),
                              ),
                              dcc.Loading(dcc.Store(id="store")),
                          ],
                          md=10,
                      ),
                  ],
                  align="center",
              ),
          ],
          fluid=True,
      )
  
file_path: plotly-resampler/examples/dash_apps/13_coarse_fine.py
imports: from __future__ import annotations
  from pathlib import Path
  from typing import List
  import dash_bootstrap_components
  import plotly.graph_objects
  from dash import Input, Output, State, callback_context, dcc, html, no_update
  from dash_extensions.enrich import DashProxy, Serverside, ServersideOutputTransform
  from utils.callback_helpers import get_selector_states, multiple_folder_file_selector
  from utils.graph_construction import visualize_multiple_files
  from plotly_resampler import FigureResampler
label_desc: Use image node_id 1 for calling a global function with example usage: serve_layout() and returns: dbc