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/*!
The foundational APIs used to write Agera rich internet applications.
# The Basics
Agera applications are created either through the Agera command line interface or
an integrated development environment. Rust programs should include the following `use` item:
```
use agera::common::*;
```
# Nodes
Agera uses a Node graph using the [`util::inheritance`] module.
You can define your own classes that extend other Node classes.
# Graphical Experience
The `agera::display` and `agera::controls` modules are used to display graphics and controls
to the screen. Agera supports in-depth settings of display objects, such as registration point and filters
and operations such as measurement of object bounds.
# Working with Files
The `agera::file` module provides ways of operating on files, either by path or by reference.
It abstracts away working with files that belong to the application.
```
use agera::file::*;
// A file path
let file = File::new("app://asset.svg");
// Synchronous operation
println!("{}", file.exists());
// Asynchronous operation
println!("{}", file.exists_async().await);
```
# Working with Events
Event conditions are commonly expressed as `EventEmitter` objects, to which the programmer
may attach listeners by using the `.listener` method.
```
// Registering listener
let listener = button.on_click().listener(|e| {
// Action
});
// Removing listener
listener.remove();
```
*/