import type { Combine, ThunkAsync, Type } from 'ts-gems';
import { TypeThunkAsync } from 'ts-gems/lib/types';
import { OpraSchema } from '../../schema/index.js';
import { DataTypeMap } from '../common/data-type-map.js';
import { DocumentElement } from '../common/document-element.js';
import { DataType } from '../data-type/data-type.js';
import type { EnumType } from '../data-type/enum-type.js';
import { RpcOperationDecorator } from '../decorators/rpc-operation.decorator.js';
import type { RpcController } from './rpc-controller';
import type { RpcHeader } from './rpc-header';
import type { RpcOperationResponse } from './rpc-operation-response';
/**
 * @namespace RpcOperation
 */
export declare namespace RpcOperation {
    interface Metadata extends Pick<OpraSchema.RpcOperation, 'description' | 'channel'> {
        payloadType: TypeThunkAsync | string;
        keyType?: TypeThunkAsync | string;
        types?: ThunkAsync<Type | EnumType.EnumObject | EnumType.EnumArray>[];
        headers?: RpcHeader.Metadata[];
        response?: RpcOperationResponse.Metadata;
    }
    interface Options extends Partial<Pick<Metadata, 'description' | 'keyType'>> {
        channel?: (string | RegExp) | (string | RegExp)[];
    }
    interface InitArguments extends Combine<{
        name: string;
        types?: DataType[];
        payloadType?: DataType | string | Type;
        keyType?: DataType | string | Type;
    }, Pick<Metadata, 'description' | 'channel'>> {
    }
}
/**
 * Type definition for RpcOperation
 * @class RpcOperation
 */
export interface RpcOperationStatic {
    /**
     * Class constructor of RpcOperation
     * @param controller
     * @param args
     */
    new (controller: RpcController, args: RpcOperation.InitArguments): RpcOperation;
    /**
     * Property decorator
     * @param payloadType
     * @param options
     */ <T extends RpcOperation.Options>(payloadType: ThunkAsync<Type> | string, options?: T): RpcOperationDecorator;
    prototype: RpcOperation;
}
/**
 * @class RpcOperation
 */
export interface RpcOperation extends RpcOperationClass {
}
/**
 *  RpcOperation
 */
export declare const RpcOperation: RpcOperationStatic;
/**
 * @class RpcOperation
 */
declare class RpcOperationClass extends DocumentElement {
    readonly owner: RpcController;
    readonly name: string;
    channel: string | RegExp | (string | RegExp)[];
    description?: string;
    payloadType: DataType;
    keyType?: DataType;
    types: DataTypeMap;
    headers: RpcHeader[];
    response: RpcOperationResponse;
    findHeader(paramName: string): RpcHeader | undefined;
    toJSON(): OpraSchema.RpcOperation;
}
export {};