import { AnyNumber, AnyTuple } from '@polkadot/types/types';
import { BlockHash, BlockNumber, Header, SignedBlock } from '@polkadot/types/interfaces';
import { Compact, GenericExtrinsic, u64, Vec } from '@polkadot/types';
import { FrameSystemEventRecord } from '@polkadot/types/lookup';
import { HeaderExtended } from '@polkadot/api-derive/types';
import { HexString } from '@polkadot/util/types';
import { Observable } from 'rxjs';
import { PromiseResult } from '@polkadot/api/types';
import { GearApi } from '../GearApi';
export declare class GearBlock {
    private api;
    subscribeNewHeads: PromiseResult<() => Observable<HeaderExtended>>;
    constructor(api: GearApi);
    /**
     * Get data of particular block by blockHash
     * @param hash
     * @returns
     */
    get(hash: HexString | Uint8Array): Promise<SignedBlock>;
    /**
     * Get data of particular block by blockNumber
     * @param number
     * @returns
     */
    get(number: number): Promise<SignedBlock>;
    /**
     * Get data of particular block by blockNumber or blockHash
     * @param hashOrNumber
     * @returns
     */
    get(hashOrNumber: string | Uint8Array | number): Promise<SignedBlock>;
    /**
     * Get blockHash by number
     * @param number number of block
     * @returns blockHash
     */
    getBlockHash(number: AnyNumber | BlockNumber): Promise<BlockHash>;
    /**
     * Get block number
     * @param hash
     * @returns Compact<BlockNumber>
     */
    getBlockNumber(hash: string | Uint8Array): Promise<Compact<BlockNumber>>;
    /**
     * ### Get block's timestamp
     * @param block
     */
    getBlockTimestamp(block: SignedBlock): Promise<Compact<u64>>;
    /**
     * ### Get block's timestamp by blockHash
     * @param hash
     */
    getBlockTimestamp(hash: HexString | Uint8Array): Promise<Compact<u64>>;
    /**
     * ### Get block's timestamp by blockNumber
     * @param number
     */
    getBlockTimestamp(number: number): Promise<Compact<u64>>;
    /**
     * Get all extrinsic of particular block
     * @param blockHash hash of particular block
     * @returns Vec of extrinsics
     */
    getExtrinsics(blockHash: `0x${string}` | Uint8Array): Promise<Vec<GenericExtrinsic<AnyTuple>>>;
    /**
     * Get all events of particular block
     * @param blockHash hash of particular block
     * @returns Vec of events
     */
    getEvents(blockHash: `0x${string}` | Uint8Array): Promise<Vec<FrameSystemEventRecord>>;
    /**
     * Get hash of last finalized block
     * @returns Hash of finalized head
     */
    getFinalizedHead(): Promise<BlockHash>;
    subscribeToHeadsFrom(from: number | HexString, cb: (header: Header) => Promise<void> | void, blocks?: 'finalized' | 'latest'): Promise<() => void>;
}