import { AtomStore } from './AtomStore';
import { Atom, AtomId } from './Atom2';
/**
 * Defines a class that implements an in-memory implementation of an AtomStore.
 */
export declare class MemoryAtomStore implements AtomStore {
    /**
     * The map of cause IDs to atoms for the cause.
     */
    private _causeIndex;
    /**
     * The map of hashes to the atom for the hash.
     */
    private _hashIndex;
    init(): Promise<void>;
    add<T>(atoms: Atom<T>[]): Promise<void>;
    findByCause(cause: AtomId): Promise<Atom<any>[]>;
    findByHashes(hashes: string[]): Promise<Atom<any>[]>;
}
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