/** Fingerprint → node, by open addressing. Fingerprint (0, 0) is stored as (0, 1): (0, 0) marks an empty slot. */
export declare class PrintMap {
    private hi;
    private lo;
    private node;
    size: number;
    /** The node with this fingerprint, if any. */
    get(hi: number, lo: number): number | undefined;
    /** Remember a fingerprint that is not here yet. */
    set(hi: number, lo: number, node: number): void;
    private put;
    private grow;
}