/**
 * EACL Filter - matches resources based on attributes.
 */
import { Match, HeaderType } from './enums';
/**
 * Filter describes a binary property of an access-controlled NeoFS resource.
 */
export declare class Filter {
    private _headerType;
    private _match;
    private _key;
    private _value;
    constructor(headerType: HeaderType, key: string, match: Match, value: string);
    /** Header type to filter on */
    get headerType(): HeaderType;
    /** Attribute key to match */
    get key(): string;
    /** Match operator */
    get match(): Match;
    /** Value to match against */
    get value(): string;
    /**
     * Create a filter for object attributes.
     */
    static objectAttribute(key: string, match: Match, value: string): Filter;
    /**
     * Create a filter for request X-headers.
     */
    static requestHeader(key: string, match: Match, value: string): Filter;
    /**
     * Create a filter for service headers.
     */
    static serviceHeader(key: string, match: Match, value: string): Filter;
    /**
     * Filter by object ID.
     */
    static objectId(objectId: string): Filter;
    /**
     * Filter by container ID.
     */
    static containerId(containerId: string): Filter;
    /**
     * Filter by owner ID.
     */
    static ownerId(ownerId: string): Filter;
    /**
     * Filter by creation epoch.
     */
    static creationEpoch(match: Match, epoch: bigint): Filter;
    /**
     * Filter by payload size.
     */
    static payloadSize(match: Match, size: bigint): Filter;
    /**
     * Clone this filter.
     */
    clone(): Filter;
}