import { HexString } from '@gear-js/api';
import { SignerOptions } from '@polkadot/api/types';
import { IKeyringPair } from '@polkadot/types/types';
import { QueryBuilder, TransactionBuilder } from 'sails-js';
type NonServiceKeys = 'api' | 'registry' | 'programId' | 'newCtorFromCode' | 'newCtorFromCodeId';
type ServiceName<TProgram> = Exclude<keyof TProgram, NonServiceKeys>;
type FunctionName<T, TReturn> = {
    [K in keyof T]: T[K] extends (...args: any[]) => TReturn ? K : never;
}[keyof T];
type GenericTransactionReturn<T = any> = TransactionBuilder<T>;
type Transaction<T> = T extends (...args: infer P) => GenericTransactionReturn<infer R> ? (...args: P) => GenericTransactionReturn<R> : never;
type _TransactionReturn<T> = ReturnType<Transaction<T>> extends GenericTransactionReturn<infer R> ? R : never;
type TransactionReturn<T> = GenericTransactionReturn<_TransactionReturn<T>>;
type UseSendProgramTransactionParameters<TProgram, TServiceName, TFunctionName> = {
    program: TProgram | undefined;
    serviceName: TServiceName;
    functionName: TFunctionName;
};
type UsePrepareProgramTransactionParameters<TProgram, TServiceName, TFunctionName> = UseSendProgramTransactionParameters<TProgram, TServiceName, TFunctionName>;
type CalculateGasParameters = {
    allowOtherPanics?: boolean;
    increaseGas?: number;
};
type AccountParameters = {
    addressOrPair: string | IKeyringPair;
    signerOptions?: Partial<SignerOptions>;
};
type SignAndSendOptions<T> = {
    args: T;
    value?: bigint;
    voucherId?: HexString;
    gasLimit?: bigint | CalculateGasParameters;
    account?: AccountParameters;
};
type SendTransactionParameters = {
    awaitFinalization?: boolean;
};
type EventReturn = Promise<() => void>;
type Event<T> = T extends (...args: infer P) => EventReturn ? (...args: P) => EventReturn : never;
type EventCallbackArgs<T> = Parameters<Event<T>>[0] extends (...args: infer P) => void | Promise<void> ? P : never;
type GenericQueryReturn<T = any> = QueryBuilder<T>;
type Query<T> = T extends (...args: infer P) => GenericQueryReturn<infer R> ? (...args: P) => GenericQueryReturn<R> : never;
type QueryArgs<T> = Parameters<Query<T>>;
type QueryReturn<T> = Query<T> extends (...args: any[]) => GenericQueryReturn<infer R> ? R : never;
export type { ServiceName, FunctionName, GenericTransactionReturn, Transaction, TransactionReturn, UseSendProgramTransactionParameters, UsePrepareProgramTransactionParameters, SignAndSendOptions, SendTransactionParameters, EventReturn, Event, EventCallbackArgs, GenericQueryReturn, Query, QueryArgs, QueryReturn, };