import { ActorName, DataType, MethodNum } from '../types';
import { ABI } from './abi';
/**
 * Returns a descriptor without values for the provided actor name and method number
 * @param actorName the name of the actor on which to call the method
 * @param methodNum the number of the method to call on the actor
 * @returns the descriptor for the actor's method
 */
export declare const getMessageReturnDescriptor: (actorName: ActorName, methodNum: MethodNum) => DataType;
/**
 * Returns a descriptor with values based on the provided actor name, method number and return value
 * @param actorName the name of the actor on which the method was called
 * @param methodNum the number of the method that was called on the actor
 * @param msgReturn the value that was returned from the method
 * @returns the described message return value
 */
export declare const describeMessageReturn: (actorName: ActorName, methodNum: MethodNum, msgReturn: any) => DataType;
/**
 * Returns a descriptor with values based on the provided FEVM params, return value and ABI
 * @param params the FEVM params as a base64 encoded CBOR string
 * @param returnVal the FEVM return value as a base64 encoded CBOR string
 * @param abi the ABI of the contract that performed this transaction
 * @returns the described message return value
 */
export declare const describeFEVMTxReturn: (params: string, returnVal: string, abi: ABI) => DataType;
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