/** @packageDocumentation ASF tag implementation with PropertyMap and complex property (picture) support. */
import { Tag } from "../tag.js";
import { PropertyMap } from "../toolkit/propertyMap.js";
import type { VariantMap } from "../toolkit/variant.js";
import { AsfAttribute } from "./asfAttribute.js";
/**
 * Represents the collection of metadata stored in an ASF file.
 *
 * Simple fields (title, artist, copyright, comment, rating) are stored
 * directly.  All other attributes are held in an attribute-list map keyed
 * by the ASF attribute name.
 */
export declare class AsfTag extends Tag {
    /** Track title from the Content Description Object. */
    private _title;
    /** Lead artist from the Content Description Object. */
    private _artist;
    /** Copyright notice from the Content Description Object. */
    private _copyright;
    /** User comment from the Content Description Object. */
    private _comment;
    /** Content rating from the Content Description Object. */
    private _rating;
    /** All other attributes keyed by ASF attribute name. */
    private _attributeListMap;
    /** Track title (Content Description Object). */
    get title(): string;
    /** @param value - New title. */
    set title(value: string);
    /** Lead artist (Content Description Object). */
    get artist(): string;
    /** @param value - New artist. */
    set artist(value: string);
    /**
     * Album title, read from the `WM/AlbumTitle` attribute.
     * Returns `""` when not present.
     */
    get album(): string;
    /** @param value - New album title; sets the `WM/AlbumTitle` attribute. */
    set album(value: string);
    /** User comment (Content Description Object). */
    get comment(): string;
    /** @param value - New comment. */
    set comment(value: string);
    /**
     * Genre, read from the `WM/Genre` attribute.
     * Returns `""` when not present.
     */
    get genre(): string;
    /** @param value - New genre; sets the `WM/Genre` attribute. */
    set genre(value: string);
    /**
     * Release year, read from the `WM/Year` attribute.
     * Returns `0` when not present.
     */
    get year(): number;
    /** @param value - New year; sets the `WM/Year` attribute. */
    set year(value: number);
    /**
     * Track number, read from `WM/TrackNumber` (falling back to `WM/Track`).
     * Returns `0` when not present.
     */
    get track(): number;
    /** @param value - New track number; sets the `WM/TrackNumber` attribute. */
    set track(value: number);
    /** Copyright notice (Content Description Object). */
    get copyright(): string;
    /** @param value - New copyright string. */
    set copyright(value: string);
    /** Content rating (Content Description Object). */
    get rating(): string;
    /** @param value - New rating string. */
    set rating(value: string);
    /** The full map of all ASF attributes, keyed by attribute name. */
    get attributeListMap(): Map<string, AsfAttribute[]>;
    /**
     * Return `true` if `key` has at least one attribute in the map.
     * @param key - ASF attribute name.
     */
    contains(key: string): boolean;
    /**
     * Remove all attributes stored under `key`.
     * @param key - ASF attribute name.
     */
    removeItem(key: string): void;
    /**
     * Return the list of attributes stored under `name`, or `[]` when absent.
     * @param name - ASF attribute name.
     */
    attribute(name: string): AsfAttribute[];
    /**
     * Replace all attributes for `name` with a single `attribute`.
     * @param name - ASF attribute name.
     * @param attribute - The attribute to store.
     */
    setAttribute(name: string, attribute: AsfAttribute): void;
    /**
     * Replace all attributes for `name` with the given list.
     * @param name - ASF attribute name.
     * @param values - The attribute list to store.
     */
    setAttributeList(name: string, values: AsfAttribute[]): void;
    /**
     * Append `attribute` to the list stored under `name`, creating the entry if
     * it doesn't exist.
     *
     * @param name - ASF attribute name.
     * @param attribute - The attribute to append.
     */
    addAttribute(name: string, attribute: AsfAttribute): void;
    get isEmpty(): boolean;
    properties(): PropertyMap;
    removeUnsupportedProperties(properties: string[]): void;
    setProperties(props: PropertyMap): PropertyMap;
    complexPropertyKeys(): string[];
    complexProperties(key: string): VariantMap[];
    setComplexProperties(key: string, value: VariantMap[]): boolean;
}
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