import { BaseCommando } from '../core/BaseCommando.js';
import { CliBlock } from '../types.js';
/**
 * Programming constructs plugin for Commando.
 *
 * Provides control flow structures for building shell scripts:
 * - Conditionals (`if`/`else`)
 * - Loops (`for`, `while`)
 * - Functions
 *
 * These methods build shell script structures with proper indentation
 * and syntax, allowing programmatic construction of complex shell scripts.
 */
export declare class Commando_Programming extends BaseCommando {
    /**
     * Constructs an if-else conditional command structure.
     * @param {string} condition - The condition for the if statement.
     * @param {CliBlock} ifBlock - Block of commands to execute if the condition is true.
     * @param {CliBlock} [elseBlock] - Optional block of commands to execute if the condition is false.
     * @returns {this} - The Cli instance for method chaining.
     */
    if(condition: string, ifBlock: CliBlock<this>, elseBlock?: CliBlock<this>): this;
    /**
     * Constructs a for loop command structure.
     * @param {string} varName - The variable name used in the loop.
     * @param {string | string[]} arrayNameOrValues - The array name or array of values to iterate over.
     * @param {CliBlock} loop - Block of commands to execute in each iteration of the loop.
     * @returns {this} - The Cli instance for method chaining.
     */
    for(varName: string, arrayNameOrValues: string | string[], loop: CliBlock<this>): this;
    /**
     * Appends a 'continue' command for loop control.
     *
     * Skips to the next iteration of the innermost loop.
     *
     * @returns This instance for method chaining
     */
    continue(): this;
    /**
     * Appends a 'break' command for loop control.
     *
     * Exits the innermost loop.
     *
     * @returns This instance for method chaining
     */
    break(): this;
    /**
     * Appends a 'return' command for exiting a function or script.
     *
     * Exits the current function or script with optional exit code.
     *
     * @returns This instance for method chaining
     */
    return(): this;
}