/**
 * Pure loading message formatting utilities for CLI progress output.
 *
 * Generates contextual loading messages that describe what the CLI
 * is doing, on what subject, and optionally in which org.
 *
 * All functions are pure (no side effects, no external state) and return
 * formatted strings.
 *
 * @module utils/formatting/loading-messages
 */
/**
 * Generates a contextual loading message for CLI progress display.
 *
 * Produces a human-readable string describing the current operation,
 * suitable for use with spinners or progress indicators. The message
 * follows the pattern: "Action Subject from OrgAlias..." or
 * "Action Subject..." when no org is provided.
 *
 * @param action - The verb describing the operation (e.g. "Analyzing", "Fetching", "Exporting")
 * @param subject - The target of the operation (e.g. "Account", "definitions", "field metadata")
 * @param org - Optional org alias or username for context
 * @returns A formatted loading message string ending with "..."
 *
 * @example
 * loadingMessage('Analyzing', 'Account', 'myOrg')
 * // "Analyzing Account from myOrg..."
 *
 * @example
 * loadingMessage('Fetching', 'field metadata')
 * // "Fetching field metadata..."
 *
 * @example
 * loadingMessage('Exporting', '42 definitions', 'prod')
 * // "Exporting 42 definitions from prod..."
 */
export declare function loadingMessage(action: string, subject: string, org?: string): string;