/**
 * The minimum data of a suggestion.
 */
export interface BaseSuggestionData {
    /** The id of the suggestion data. */
    id: string;
    /** The user-facing display string of the suggestion data. */
    display?: string;
}
/**
 * Generic suggestion data type.
 */
export type SuggestionData<T extends BaseSuggestionData> = T;
/** The default trigger used to show the suggestions overlay. */
export declare const DefaultTrigger = "@";
/** The default markup template used if a {@link SuggestionDataSource} does not provide one. */
export declare const DefaultMarkupTemplate = "@[__display__](__id__)";
/**
 * Returns the default display string for the given suggestion.
 * @param id The id of the suggestion to get the display string for.
 * @param display The default display string of the suggestion.
 * @param convertSpaces Whether to convert spaces to no-break spaces (Ex: for multiline mode).
 * @returns The default display string for the suggestion.
 */
export declare function DefaultDisplayTransform(id: string, display?: string, convertSpaces?: boolean): string;
/**
 * A data source for suggestions displayed in the pop up.
 */
export interface SuggestionDataSource<T extends BaseSuggestionData> {
    /**
     * The character sequence upon which to trigger querying data.
     * @default '@'
     */
    trigger?: string;
    /**
     * The template string inserted into the value for mentions. Defaults to {@link DefaultMarkupTemplate}.
     */
    markup?: string;
    /**
     * A custom regular expression for parsing the markup for mentions. If not provided,
     * it is automatically dervied from {@link markup}.
     */
    regex?: RegExp;
    /**
     * The suggestion data to display or an asynchronous function which returns the suggestion
     * data based on the search query.
     */
    data: SuggestionData<T>[] | ((query: string) => Promise<SuggestionData<T>[]>);
    /**
     * Whether to keep the suggestion overlay open when a space is typed.
     * @default false
     */
    allowSpaceInQuery?: boolean;
    /**
     * Whether to ignore accents and other diacritical marks while querying
     * the data.
     * @default false
     */
    ignoreAccents?: boolean;
    /**
     * Whether to automatically append a space after a mention is added.
     * @default false
     */
    appendSpaceOnAdd?: boolean;
    /**
     * Returns the display string for the given suggestion.
     * @param id The id of the suggestion to get the display string for.
     * @param display The default display string of the suggestion.
     * @returns The display string for the suggestion.
     * @default (id, display) => display || id;
     */
    displayTransform?: (id: string, display?: string) => string;
    /**
     * Callback invokved when a suggestion is selected and added to the TextField.
     * @param suggestion The added suggestion.
     * @param start The start index of the suggestion in the value.
     * @param end The end index of the suggestion in the value.
     */
    onAdd?: (suggestion: SuggestionData<T>, start: number, end: number) => void;
    /**
     * Custom filter function for filtering suggestions based on the query.
     * If provided, this function will be used instead of the default substring search.
     * @param suggestion The suggestion data to filter.
     * @param query The current search query.
     * @returns True if the suggestion should be included in the results, false otherwise.
     */
    filterSuggestions?: (suggestion: SuggestionData<T>, query: string) => boolean;
}
/** A suggestion displayed to the user in the editor pop up. */
export interface Suggestions<T extends BaseSuggestionData> {
    /** The query that generated the suggestions. */
    queryInfo: SuggestionsQueryInfo;
    /** The results of the query. */
    results: SuggestionData<T>[];
}
/** Info related to the query which triggered a suggestion. */
export interface SuggestionsQueryInfo {
    /** The index of the data source of the suggestion. */
    childIndex: number;
    /** The query which triggered the suggestion. */
    query: string;
    /** The index of the start of the query in the textfield value. */
    querySequenceStart: number;
    /** The index of the end of the query in the textfield value. */
    querySequenceEnd: number;
    /** The plain text version of the value. */
    plainTextValue: string;
}
/** A map from data source index to suggestions. */
export interface SuggestionsMap<T extends BaseSuggestionData> {
    [index: number]: Suggestions<T>;
}
/** A mention in the textfield. */
export interface MentionData {
    /** The id of the mention. */
    id: string;
    /** The display string of the mention. */
    display: string;
    /** The index of the data source for the mention. */
    dataSourceIndex: number;
    /** The index of the mention in the markup string. */
    index: number;
    /** The index of the mention in the plain text string. */
    plainTextIndex: number;
}