import { MapDB } from '@ethereumjs/util';
import { StateNetworkContentType } from './types.js';
import type { TAccountTrieNodeKey, TContractCodeKey, TNibbles, TStorageTrieNodeKey } from './types.js';
import type { DB, EncodingOpts } from '@ethereumjs/util';
import type { AbstractLevel } from 'abstract-level';
export declare const keyType: (contentKey: Uint8Array) => StateNetworkContentType;
export declare class AccountTrieNodeContentKey {
    static encode({ path, nodeHash }: TAccountTrieNodeKey): Uint8Array;
    static decode(key: Uint8Array): TAccountTrieNodeKey;
}
export declare class StorageTrieNodeContentKey {
    static encode({ address, path, nodeHash }: TStorageTrieNodeKey): Uint8Array;
    static decode(key: Uint8Array): TStorageTrieNodeKey;
}
export declare class ContractCodeContentKey {
    static encode({ address, codeHash }: TContractCodeKey): Uint8Array;
    static decode(key: Uint8Array): TContractCodeKey;
}
export type TStateNetworkContentKey = TAccountTrieNodeKey | TStorageTrieNodeKey | TContractCodeKey;
export declare class StateNetworkContentKey {
    static encode(opts: TAccountTrieNodeKey | TStorageTrieNodeKey | TContractCodeKey): Uint8Array;
    static decode(key: Uint8Array): TStateNetworkContentKey;
}
export declare class StateNetworkContentId {
    static fromKeyObj(key: TAccountTrieNodeKey | TStorageTrieNodeKey | TContractCodeKey): Uint8Array;
    static fromBytes(key: Uint8Array): Uint8Array;
}
export declare function wrapDBContent(contentKey: Uint8Array, dbContent: string): string;
export declare function calculateAddressRange(address: bigint, radius: bigint): {
    min: bigint;
    max: bigint;
};
export declare const compareDistance: (nodeId: string, nodeA: Uint8Array, nodeB: Uint8Array) => Uint8Array;
export declare class PortalTrieDB extends MapDB<string, string> implements DB<string, string> {
    db: AbstractLevel<string, string, string>;
    temp: Map<string, string>;
    constructor(db: AbstractLevel<string, string, string>);
    put(key: string, value: string): Promise<void>;
    get(key: string, _opts?: EncodingOpts): Promise<string | undefined>;
    del(key: string): Promise<void>;
    keys(): Promise<[string]>;
    tempKeys(): IterableIterator<string>;
}
export declare function getDatabaseKey(contentKey: Uint8Array): string;
export declare function getDatabaseContent(type: StateNetworkContentType, content: Uint8Array): string;
export declare function nextOffer(path: TNibbles, proof: Uint8Array[]): Promise<{
    curRlp: Uint8Array;
    nodes: Uint8Array[];
    newpaths: ("0" | "1" | "2" | "c" | "3" | "4" | "5" | "6" | "7" | "8" | "9" | "a" | "b" | "d" | "e" | "f")[];
}>;
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