import { Cardano, EraSummary, HealthCheckResponse, Intersection, PointOrOrigin, Serialization, TipOrOrigin } from '@cardano-sdk/core';
import type { Block, Tip } from '@cardano-sdk/core/dist/cjs/Cardano';
import type { Observable } from 'rxjs';
export declare enum ChainSyncEventType {
    RollForward = 0,
    RollBackward = 1
}
export declare type RequestNext = () => void;
export interface WithRequestNext {
    requestNext: RequestNext;
}
export interface ChainSyncRollForward extends WithRequestNext {
    tip: Tip;
    eventType: ChainSyncEventType.RollForward;
    block: Block;
}
export interface ChainSyncRollBackward extends WithRequestNext {
    eventType: ChainSyncEventType.RollBackward;
    point: PointOrOrigin;
    tip: TipOrOrigin;
}
export declare type ChainSyncEvent = ChainSyncRollForward | ChainSyncRollBackward;
export interface ObservableChainSync {
    chainSync$: Observable<ChainSyncEvent>;
    intersection: Intersection;
}
export interface ObservableCardanoNode {
    eraSummaries$: Observable<EraSummary[]>;
    genesisParameters$: Observable<Cardano.CompactGenesis>;
    healthCheck$: Observable<HealthCheckResponse>;
    findIntersect(points: PointOrOrigin[]): Observable<ObservableChainSync>;
    submitTx(tx: Serialization.TxCBOR): Observable<Cardano.TransactionId>;
}
export declare const ObservableCardanoNode: {
    readonly bufferChainSyncEvent: <T extends WithRequestNext>(length: number) => (source$: Observable<T>) => Observable<T>;
};
//# sourceMappingURL=ObservableCardanoNode.d.ts.map