import { PageWorld } from "./world.js";
export interface RefEntry {
    role: string;
    name: string;
}
/** Per-tab element reference table plus the isolated world the refs live in.
 *  Refs (`e1`, `e2`, ...) are assigned in the page and reused across snapshots
 *  while an element keeps its role and name; navigation rebuilds them. */
export declare class RefTable {
    readonly world: PageWorld;
    /** URL the page reported during the last read, so a caller does not spend a
     *  round trip asking for it again. */
    lastUrl: string | undefined;
    private entries;
    set(ref: string, entry: RefEntry): void;
    get(ref: string): RefEntry | undefined;
    replaceAll(next: Iterable<[string, RefEntry]>): void;
    clear(): void;
    get size(): number;
}
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