use std::collections::HashMap as Map;
use std::collections::BTreeSet as Set;
use tui::layout::Margin;
use tui::style::Color;
use tui::style::Modifier;
use tui::{
layout::Rect,
buffer::Buffer,
style::Style,
widgets::Widget,
};
mod connection;
use connection::*;
pub use connection::Connection;
mod node;
pub use node::NodeLayout;
mod graph;
pub use graph::*;