1	<?php
2
3	declare(strict_types=1);
4
5	namespace Celema\Console;
6
7	/**
8	* The device behind an Io: where its output goes, where its input comes
9	* from, and what the device supports.
10	*
11	* Stdio talks to the process streams, Buffer captures everything for
12	* tests.
13	*
14	* @api
15	*/
16	interface Terminal
17	{
18	/**
19	* Writes the text as is, to the error output with `$error`.
20	*/
21	public function write(string $text, bool $error = false): void;
22
23	/**
24	* Reads one line without its line break; null at the end of input.
25	*
26	* With `$hidden`, typing should not be visible. An implementation
27	* that has a way to hide it must throw when that fails, instead of
28	* reading visibly; one whose platform offers none reads the line as
29	* is.
30	*/
31	public function read(bool $hidden = false): ?string;
32
33	/**
34	* Whether the output, or with `$error` the error output, renders
35	* color codes.
36	*/
37	public function colors(bool $error = false): bool;
38
39	/**
40	* Whether someone can see the prompts and answer them.
41	*/
42	public function interactive(): bool;
43
44	/**
45	* The output width in columns.
46	*/
47	public function width(): int;
48	}

---

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