import type { ArkmeDirectoryItem } from './types.js';
type ArkmeDirectoryContactItem = Extract<ArkmeDirectoryItem, {
    kind: 'contact';
}>;
export interface ArkmeDirectoryContactGroup {
    letter: string;
    items: ArkmeDirectoryContactItem[];
}
export interface ArkmeUnmarkedSpeakerDisplayNameInput {
    speakerToken: string;
    firstSeenDate: string;
    lastSeenDate: string;
}
export declare function contactDirectoryLetter(item: ArkmeDirectoryContactItem): string;
export declare function sortContactDirectoryItems(items: ArkmeDirectoryContactItem[]): ArkmeDirectoryContactItem[];
export declare function groupContactDirectoryItems(items: ArkmeDirectoryContactItem[]): ArkmeDirectoryContactGroup[];
export declare function unmarkedSpeakerDisplayName(input: ArkmeUnmarkedSpeakerDisplayNameInput): string;
export {};
//# sourceMappingURL=contact-directory-presentation.d.ts.map