/** Platforms that support a normalized emoji token. */
export type EmojiPlatform = "slack" | "discord" | "telegram" | "teams" | "whatsapp";
export interface EmojiEntry {
    /** Canonical cross-platform name (matches a `KnownEmoji`). */
    name: KnownEmoji;
    /** Unicode token — the native form for Discord and Telegram. */
    unicode: string;
    /** Slack shortcodes (no colons); index 0 is canonical, the rest are aliases. */
    slack: string[];
    /** Microsoft Teams reaction id used by the Teams API Client. */
    teams: string;
}
/** Starter set; unknown emoji pass through unnormalized as `rawEmoji`. */
export declare const EMOJI_TABLE: readonly [{
    readonly name: "thumbs_up";
    readonly unicode: "👍";
    readonly slack: ["+1", "thumbsup"];
    readonly teams: "like";
}, {
    readonly name: "thumbs_down";
    readonly unicode: "👎";
    readonly slack: ["-1", "thumbsdown"];
    readonly teams: "no";
}, {
    readonly name: "heart";
    readonly unicode: "❤️";
    readonly slack: ["heart"];
    readonly teams: "heart";
}, {
    readonly name: "fire";
    readonly unicode: "🔥";
    readonly slack: ["fire"];
    readonly teams: "fire";
}, {
    readonly name: "eyes";
    readonly unicode: "👀";
    readonly slack: ["eyes"];
    readonly teams: "eyes";
}, {
    readonly name: "bug";
    readonly unicode: "🐛";
    readonly slack: ["bug"];
    readonly teams: "bug";
}, {
    readonly name: "check";
    readonly unicode: "✅";
    readonly slack: ["white_check_mark", "heavy_check_mark"];
    readonly teams: "2705_whiteheavycheckmark";
}, {
    readonly name: "cross";
    readonly unicode: "❌";
    readonly slack: ["x"];
    readonly teams: "274c_crossmark";
}, {
    readonly name: "tada";
    readonly unicode: "🎉";
    readonly slack: ["tada"];
    readonly teams: "1f389_partypopper";
}, {
    readonly name: "rocket";
    readonly unicode: "🚀";
    readonly slack: ["rocket"];
    readonly teams: "launch";
}, {
    readonly name: "warning";
    readonly unicode: "⚠️";
    readonly slack: ["warning"];
    readonly teams: "26a0_warningsign";
}, {
    readonly name: "question";
    readonly unicode: "❓";
    readonly slack: ["question"];
    readonly teams: "2753_blackquestionmarkornament";
}, {
    readonly name: "raised_hands";
    readonly unicode: "🙌";
    readonly slack: ["raised_hands"];
    readonly teams: "handsinair";
}, {
    readonly name: "clap";
    readonly unicode: "👏";
    readonly slack: ["clap"];
    readonly teams: "clappinghands";
}, {
    readonly name: "pray";
    readonly unicode: "🙏";
    readonly slack: ["pray"];
    readonly teams: "foldedhands";
}, {
    readonly name: "smile";
    readonly unicode: "😄";
    readonly slack: ["smile"];
    readonly teams: "grinningfacewithsmilingeyes";
}, {
    readonly name: "thinking";
    readonly unicode: "🤔";
    readonly slack: ["thinking_face"];
    readonly teams: "think";
}, {
    readonly name: "refresh";
    readonly unicode: "🔄";
    readonly slack: ["arrows_counterclockwise"];
    readonly teams: "1f504_refresh";
}, {
    readonly name: "laugh";
    readonly unicode: "😆";
    readonly slack: ["laughing"];
    readonly teams: "laugh";
}, {
    readonly name: "surprised";
    readonly unicode: "😮";
    readonly slack: ["open_mouth"];
    readonly teams: "surprised";
}, {
    readonly name: "sad";
    readonly unicode: "😢";
    readonly slack: ["cry"];
    readonly teams: "cry";
}, {
    readonly name: "angry";
    readonly unicode: "😠";
    readonly slack: ["angry"];
    readonly teams: "angry";
}];
export type KnownEmoji = (typeof EMOJI_TABLE)[number]["name"];
/**
 * Reactions with an explicitly supported Slack and Microsoft Teams mapping.
 *
 * Use these values when one handler must work unchanged across both managed
 * providers. Other {@link EmojiValue} strings are provider-native extensions:
 * branch on `thread.platform` before using them and expect an explicit provider
 * error when that provider does not support the value.
 */
export declare const PORTABLE_REACTIONS: readonly ["thumbs_up", "thumbs_down", "heart", "fire", "eyes", "refresh", "thinking", "tada"];
/** A reaction known to work in both managed Slack and Microsoft Teams. */
export type PortableReaction = (typeof PORTABLE_REACTIONS)[number];
/**
 * Accepts a known canonical name (with autocomplete) or any string. Unknown
 * strings pass through as a platform-native token (custom/server emoji).
 */
export type EmojiValue = KnownEmoji | (string & {});
/** Typed accessor map, e.g. `emoji.thumbs_up`. Each value is its own name. */
export declare const emoji: Record<KnownEmoji, KnownEmoji>;
/**
 * Resolves any known emoji form — canonical name, Slack shortcode/alias, or
 * Unicode token — to the platform-native token, or `undefined` if unknown.
 */
export declare function toPlatformEmoji(value: EmojiValue, platform: EmojiPlatform): string | undefined;
/**
 * Resolve any known emoji form — canonical name, Slack shortcode/alias, or
 * Unicode token (with or without VS16) — to its canonical name,
 * platform-agnostically. Unknown tokens (e.g. custom/server emoji) pass through
 * unchanged. Used to normalize caller-supplied reaction filters so they match
 * the canonical names ingress produces.
 */
export declare function toCanonicalEmoji(value: EmojiValue): EmojiValue;
/** Platform-native token → canonical name, or `undefined` if unrecognized. */
export declare function normalizeEmoji(token: string, platform: EmojiPlatform): EmojiValue | undefined;
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