/**
 * IVariableManager Interface
 *
 * Contract for variable management implementations.
 * Handles variable storage, retrieval, and template replacement.
 */
import { Variables } from '../types';
export interface IVariableManager {
    /**
     * Set multiple variables at once from an object
     * @param variables Object containing key-value pairs
     */
    setVariables(variables: Variables): void;
    /**
     * Set a single variable
     * @param key Variable name
     * @param value Variable value (string, number, or boolean)
     */
    setVariable(key: string, value: string | number | boolean): void;
    /**
     * Get a variable value by key
     * @param key Variable name
     * @returns Variable value or undefined if not found
     */
    getVariable(key: string): string | number | boolean | undefined;
    /**
     * Replace {{variable}} placeholders in a string with their values
     * @param content String containing variable placeholders
     * @returns String with variables replaced
     */
    replaceVariables(content: string): string;
    /**
     * Get all stored variables
     * @returns Object containing all variables
     */
    getAllVariables(): Variables;
}