/**
 * REST API layer for the Teams Chat Service.
 *
 * All HTTP calls to {region}.ng.msg.teams.microsoft.com/v1 (skype token) or
 * teams.cloud.microsoft/api/chatsvc/{region}/v1 (Bearer token) are here.
 * This module is stateless — every function takes a TeamsToken explicitly.
 */
import type { TeamsToken, Conversation, ConversationsPage, Message, MessageFormat, MessagesPage, Member, SentMessage, EditedMessage, DeletedMessage, ReactionResult, ScheduledMessage } from "../types.js";
/**
 * Fetch conversations from the Teams Chat Service.
 * Returns one page of conversations (no built-in pagination).
 */
export declare function fetchConversations(token: TeamsToken, pageSize: number): Promise<Conversation[]>;
export declare function fetchConversationsPage(token: TeamsToken, pageSize: number, backwardLink?: string): Promise<ConversationsPage>;
/**
 * Fetch one page of messages from a conversation.
 */
export declare function fetchMessagesPage(token: TeamsToken, conversationId: string, pageSize: number, backwardLink?: string): Promise<MessagesPage>;
/**
 * Fetch members of a conversation.
 */
export declare function fetchMembers(token: TeamsToken, conversationId: string): Promise<Member[]>;
/**
 * Send a message to a conversation.
 *
 * The `format` parameter controls how `content` is interpreted:
 * - `"text"` — plain text, sent as-is
 * - `"markdown"` (default) — converted from Markdown to HTML
 * - `"html"` — raw HTML, sent as-is
 */
export declare function postMessage(token: TeamsToken, conversationId: string, content: string, senderDisplayName: string, format?: MessageFormat, amsReferences?: string[], filesJson?: string, subject?: string, quoteHtml?: string): Promise<SentMessage>;
/**
 * Edit an existing message in a conversation.
 *
 * The `format` parameter controls how `content` is interpreted:
 * - `"text"` — plain text, sent as-is
 * - `"markdown"` (default) — converted from Markdown to HTML
 * - `"html"` — raw HTML, sent as-is
 */
export declare function editMessage(token: TeamsToken, conversationId: string, messageId: string, content: string, senderDisplayName: string, format?: MessageFormat, quoteHtml?: string): Promise<EditedMessage>;
/**
 * Delete a message from a conversation.
 *
 * Sends a DELETE to the Chat Service; handles empty response body.
 */
export declare function deleteMessage(token: TeamsToken, conversationId: string, messageId: string): Promise<DeletedMessage>;
/**
 * Schedule a message to be sent at a future time.
 *
 * Creates a "ScheduledDraft" via the Chat Service drafts endpoint.
 * The server delivers the message automatically at the specified time.
 *
 * The `format` parameter controls how `content` is interpreted:
 * - `"text"` — plain text, sent as-is
 * - `"markdown"` (default) — converted from Markdown to HTML
 * - `"html"` — raw HTML, sent as-is
 */
export declare function postScheduledMessage(token: TeamsToken, conversationId: string, content: string, senderDisplayName: string, scheduleAt: Date, format?: MessageFormat, amsReferences?: string[], filesJson?: string, subject?: string): Promise<ScheduledMessage>;
/**
 * Add a reaction (emotion) to a message.
 *
 * Uses the Chat Service emotions property endpoint.
 * The `reactionKey` is the emotion name (e.g. "like", "heart", "laugh", "surprised").
 */
export declare function addReaction(token: TeamsToken, conversationId: string, messageId: string, reactionKey: string): Promise<ReactionResult>;
/**
 * Remove a reaction (emotion) from a message.
 *
 * Uses the Chat Service emotions property endpoint with DELETE method.
 * Only removes the current user's reaction of the specified type.
 */
export declare function removeReaction(token: TeamsToken, conversationId: string, messageId: string, reactionKey: string): Promise<ReactionResult>;
/**
 * Fetch user properties for the authenticated user.
 * Returns raw properties — display name may or may not be present.
 */
export declare function fetchUserProperties(token: TeamsToken): Promise<Record<string, unknown>>;
/**
 * Parse a raw API message object into the public Message type.
 */
export declare function parseRawMessage(raw: Record<string, unknown>): Message;
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