/// <reference types="node" />
import { ExecutionEngine } from '../../vm/interfaces/engine';
import { StackItem } from '../../vm/types/stackItem';
import { VmService } from '../context';
/**
 * HeaderGetNextConsensus put current block time to vm stack
 */
export declare function runtimeGetTime(service: VmService, engine: ExecutionEngine): void;
/**
 * RuntimeCheckWitness provide check permissions service.
 * If param address isn't exist in authorization list, check fail
 */
export declare function runtimeCheckWitness(service: VmService, engine: ExecutionEngine): void;
export declare function runtimeSerialize(service: VmService, engine: ExecutionEngine): void;
export declare function runtimeDeserialize(service: VmService, engine: ExecutionEngine): void;
export declare function runtimeNotify(service: VmService, engine: ExecutionEngine): void;
export declare function runtimeLog(service: VmService, engine: ExecutionEngine): void;
export declare function runtimeGetTrigger(service: VmService, engine: ExecutionEngine): void;
export declare function runtimeBase58ToAddress(service: VmService, engine: ExecutionEngine): void;
export declare function runtimeAddressToBase58(service: VmService, engine: ExecutionEngine): void;
export declare function runtimeGetRandomHash(service: VmService, engine: ExecutionEngine): void;
export declare function serializeStackItem(item: StackItem): Buffer;
export declare function deserializeStackItem(data: Buffer): StackItem;
export declare function circularRefAndDepthDetection(value: StackItem): boolean;