/**
 * Command registry for step execution.
 *
 * Maps command keys to their handler and description functions.
 */
import type { Step } from "../../../domain/index";
import type { ExecutionContext } from "../context";
type Handler = (step: Step, ctx: ExecutionContext) => Promise<void>;
type Describer = (step: Step) => string;
export interface CommandEntry {
    readonly execute: Handler;
    readonly describe: Describer;
}
export declare const COMMAND_REGISTRY: Readonly<Record<string, CommandEntry>>;
/**
 * Extract the command key from a step object.
 */
export declare function getCommandKey(step: Step): string | undefined;
/**
 * Get all supported command names.
 */
export declare function getSupportedCommands(): readonly string[];
export {};
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