/**
 * Slack format module
 * Generates Slack Block Kit JSON format output
 */
import type { BannerResult, SlackMessage } from './types.js';
/**
 * Convert banner result to Slack Block Kit format
 * This format ensures emojis align properly in Slack
 */
export declare function toSlackFormat(result: BannerResult): SlackMessage;
/**
 * Convert to Slack-compatible plain text
 * This version uses a rich_text block for better emoji handling
 */
export declare function toSlackRichText(result: BannerResult): SlackMessage;
/**
 * Convert to simple Slack message format (for direct posting)
 */
export declare function toSlackSimple(result: BannerResult): {
    text: string;
};
/**
 * Generate JSON string output for Slack API
 */
export declare function generateSlackJson(result: BannerResult): string;
/**
 * Validate Slack message structure
 */
export declare function validateSlackMessage(message: SlackMessage): boolean;
/**
 * Get Slack-compatible emoji name from Unicode emoji
 * Note: This is a simplified mapping, Slack uses its own emoji names
 */
export declare function toSlackEmojiName(emoji: string): string;
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