import { AllowedMentionAttributes, MappedSuggestion } from "@vector-im/matrix-wysiwyg";
import { MatrixClient, Room } from "matrix-js-sdk/src/matrix";
import { ICompletion } from "../../../../../autocomplete/Autocompleter";
/**
 * Builds the query for the `<Autocomplete />` component from the rust suggestion. This
 * will change as we implement handling / commands.
 *
 * @param suggestion  - represents if the rust model is tracking a potential mention
 * @returns an empty string if we can not generate a query, otherwise a query beginning
 * with @ for a user query, # for a room or space query
 */
export declare function buildQuery(suggestion: MappedSuggestion | null): string;
/**
 * Find the room from the completion by looking it up using the client from the context
 * we are currently in
 *
 * @param completion - the completion from the autocomplete
 * @param client - the current client we are using
 * @returns a Room if one is found, null otherwise
 */
export declare function getRoomFromCompletion(completion: ICompletion, client: MatrixClient): Room | null;
/**
 * Given an autocomplete suggestion, determine the text to display in the pill
 *
 * @param completion - the item selected from the autocomplete
 * @param client - the MatrixClient is required for us to look up the correct room mention text
 * @returns the text to display in the mention
 */
export declare function getMentionDisplayText(completion: ICompletion, client: MatrixClient): string;
/**
 * For a given completion, the attributes will change depending on the completion type
 *
 * @param completion - the item selected from the autocomplete
 * @param client - the MatrixClient is required for us to look up the correct room mention text
 * @param room - the room the composer is currently in
 * @returns an object of attributes containing HTMLAnchor attributes or data-* attributes
 */
export declare function getMentionAttributes(completion: ICompletion, client: MatrixClient, room: Room): AllowedMentionAttributes;