import type { MentionTarget, ParsedMentionTarget } from './types.js';
import type { IdentityState } from './identity.js';
export interface MentionState {
    chatMentionTargetByChatId: Map<string, Map<string, MentionTarget>>;
    chatMentionCacheExpiresAtByChatId: Map<string, number>;
    chatMemberReadUnavailable: boolean;
}
export declare function normalizeMentionLookupName(value: string): string;
export declare function cacheChatMentionTarget(chatId: string, displayName: string, target: {
    openId?: string;
    appId?: string;
}, aliases: string[], state: MentionState): void;
export declare function parseMentionTarget(mention: unknown): ParsedMentionTarget | null;
export declare function cacheChatMentionTargetsFromRawMentions(chatId: string, rawMentions: unknown, state: MentionState): void;
export declare function normalizeIncomingMentionPlaceholders(text: string, rawMentions: unknown[]): string;
export declare function refreshChatMentionTargets(chatId: string, force: boolean, mentionState: MentionState, identityState: IdentityState): Promise<void>;
export declare function resolveMentionTargetByName(chatId: string, rawName: string, mentionState: MentionState, identityState: IdentityState): MentionTarget | null;
export declare function normalizeOutgoingMentions(text: string, target: {
    receiveIdType: 'open_id' | 'chat_id';
    receiveId: string;
}, mentionState: MentionState, identityState: IdentityState): Promise<string>;
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