/// <reference types="long" />
import { EffectMethod } from './effect';
import { GrpcStatus } from './grpc-status';
import { Metadata } from './metadata';
import { Reply } from './reply';
/**
 * A message object.
 *
 * @public
 */
export declare type Message = {
    [key: string]: any;
};
/**
 * Context for an entity.
 *
 * @public
 */
export interface EntityContext {
    /**
     * The id of the entity that the command is for.
     */
    entityId: string;
    /**
     * The id of the command.
     */
    commandId: Long;
    /**
     * The metadata to send with a reply.
     */
    replyMetadata: Metadata;
}
/**
 * Effect context.
 *
 * @public
 */
export interface EffectContext {
    /**
     * The metadata associated with the command.
     */
    readonly metadata: Metadata;
    /**
     * DEPRECATED. Emit an effect after processing this command.
     *
     * @deprecated Use {@link Reply.addEffect} instead.
     *
     * @param method - The entity service method to invoke
     * @param message - The message to send to that service
     * @param synchronous - Whether the effect should be execute synchronously or not
     * @param metadata - Metadata to send with the effect
     * @param internalCall - For internal calls to this deprecated function
     */
    effect(method: EffectMethod, message: Message, synchronous?: boolean, metadata?: Metadata, internalCall?: boolean): void;
    /**
     * Fail handling this command.
     *
     * @remarks
     *
     * An alternative to using this is to return a failed Reply created with {@link replies.failure}.
     *
     * @param msg - The failure message
     * @param grpcStatus - The grpcStatus
     * @throws An error that captures the failure message. Note that even if you
     *         catch the error thrown by this method, the command will still be
     *         failed with the given message.
     */
    fail(msg: string, grpcStatus?: GrpcStatus): void;
}
/**
 * Context for a command.
 *
 * @public
 */
export interface CommandContext extends EffectContext {
    /**
     * DEPRECATED. Forward this command to another service component call.
     *
     * @deprecated Use {@link replies.forward} instead.
     *
     * @param method - The service component method to invoke
     * @param message - The message to send to that service component
     * @param metadata - Metadata to send with the forward
     */
    thenForward(method: EffectMethod, message: Message, metadata?: Metadata): void;
    /**
     * DEPRECATED. Forward this command to another service component call.
     *
     * @deprecated Use {@link replies.forward} instead.
     *
     * @param method - The service component method to invoke
     * @param message - The message to send to that service component
     * @param metadata - Metadata to send with the forward
     * @param internalCall - For internal calls to this deprecated function
     */
    forward(method: EffectMethod, message: Message, metadata?: Metadata, internalCall?: boolean): void;
}
/**
 * Context for an entity command.
 *
 * @public
 */
export declare type EntityCommandContext = EntityContext & CommandContext;
/**
 * Command reply types.
 *
 * @public
 */
export declare type CommandReply<Message extends object = object> = Reply<Message> | Message | undefined | void;