import { LanguageRuntime } from '../language.ts';
import type { RuntimeLanguage, RuntimeOptions } from '../types.ts';
/**
 * The python tier: every runtime that interprets Python source.
 *
 * Groups the engines behind the python3/python commands (pyodide,
 * monty here; wasi, local in Python and @struktoai/mirage-node), so
 * `language` and the default captures are declared once and
 * python-tier behavior has one home. A new Python engine subclasses
 * this, not LanguageRuntime.
 *
 * The repl is deliberately not part of this tier: it rides the general
 * Evaluator capability (`isEvaluator` plus `eval` with a session id),
 * which nothing about it makes python-shaped.
 */
export declare abstract class PythonRuntime extends LanguageRuntime {
    readonly language: RuntimeLanguage;
    /** The tier's head words: the class-default captures of every python engine. */
    static readonly commands: readonly string[];
    /**
     * Whether `python3 -m mod` can run at all. True for every engine that
     * is real CPython, since runpy does the work; false for an engine
     * implementing a subset of the language with no import system to find
     * a module with. A capability of the tier, declared here rather than
     * probed, so a refusal can name the runtime.
     */
    readonly runsModules: boolean;
    constructor(options?: RuntimeOptions<object>, configKeys?: readonly string[]);
}
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