export interface ArkmeEmojiSeed {
    id: string;
    unicode: string;
    label: string;
}
/** Asset-free emoji catalog shared by Browser UI and Host notification text. */
export declare const arkmeDefaultEmojiSeeds: readonly ArkmeEmojiSeed[];
export declare const arkmeEmojiTokenPattern: RegExp;
/** Asset-free lookup for copy/quote projections, including embedded Harness. */
export declare function arkmeEmojiUnicode(id: string): string;
export type ArkmeEmojiTextRun = {
    kind: 'text';
    text: string;
} | {
    kind: 'emoji';
    text: string;
    emoji: ArkmeEmojiSeed;
};
/** The asset-free parser is shared by rich and plain-text projections. */
export declare function arkmeEmojiTextRuns(value: string): ArkmeEmojiTextRun[];
export declare function arkmeHasKnownEmojiToken(value: string): boolean;
/** Preserve the caller's budget; neither tokens nor graphemes can be split. */
export declare function arkmeEmojiTokenSafePrefix(value: string, maxLength: number, unit?: 'codePoints' | 'codeUnits'): string;
/** User-content equivalent of clippedText; keeps its UTF-16 limit and suffix. */
export declare function arkmeEmojiClippedText(value: unknown, limit?: number): string;
/** Known chat emoji tokens become Unicode; unknown and malformed tokens stay intact. */
export declare function arkmeEmojiPlainText(value: string): string;
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