import { NodeTest } from './node-test';
import { Expression } from './xpath-types';
export declare class Step {
    static ANCESTOR: number;
    static ANCESTORORSELF: number;
    static ATTRIBUTE: number;
    static CHILD: number;
    static DESCENDANT: number;
    static DESCENDANTORSELF: number;
    static FOLLOWING: number;
    static FOLLOWINGSIBLING: number;
    static NAMESPACE: number;
    static PARENT: number;
    static PRECEDING: number;
    static PRECEDINGSIBLING: number;
    static SELF: number;
    static STEPNAMES: {
        [key: number]: string;
    };
    static predicateString: (e: Expression) => string;
    static predicatesString: (es: Expression[]) => string;
    axis: number;
    nodeTest: NodeTest;
    predicates: Expression[];
    constructor(axis: number, nodetest: NodeTest, preds: Expression[]);
    toString(): string;
}