export declare type ContextType = 'http' | 'ws' | 'rpc';
/**
 * Methods to obtain request and response objects.
 *
 * @publicApi
 */
export interface HttpArgumentsHost {
    /**
     * Returns the in-flight `request` object.
     */
    getRequest<T = any>(): T;
    /**
     * Returns the in-flight `response` object.
     */
    getResponse<T = any>(): T;
    getNext<T = any>(): T;
}
/**
 * Methods to obtain WebSocket data and client objects.
 *
 * @publicApi
 */
export interface WsArgumentsHost {
    /**
     * Returns the data object.
     */
    getData<T = any>(): T;
    /**
     * Returns the client object.
     */
    getClient<T = any>(): T;
}
/**
 * Methods to obtain RPC data object.
 *
 * @publicApi
 */
export interface RpcArgumentsHost {
    /**
     * Returns the data object.
     */
    getData<T = any>(): T;
    /**
     * Returns the context object.
     */
    getContext<T = any>(): T;
}
/**
 * Provides methods for retrieving the arguments being passed to a handler.
 * Allows choosing the appropriate execution context (e.g., Http, RPC, or
 * WebSockets) to retrieve the arguments from.
 *
 * @publicApi
 */
export interface ArgumentsHost {
    /**
     * Returns the array of arguments being passed to the handler.
     */
    getArgs<T extends Array<any> = any[]>(): T;
    /**
     * Returns a particular argument by index.
     * @param index index of argument to retrieve
     */
    getArgByIndex<T = any>(index: number): T;
    /**
     * Switch context to RPC.
     * @returns interface with methods to retrieve RPC arguments
     */
    switchToRpc(): RpcArgumentsHost;
    /**
     * Switch context to HTTP.
     * @returns interface with methods to retrieve HTTP arguments
     */
    switchToHttp(): HttpArgumentsHost;
    /**
     * Switch context to WebSockets.
     * @returns interface with methods to retrieve WebSockets arguments
     */
    switchToWs(): WsArgumentsHost;
    /**
     * Returns the current execution context type (string)
     */
    getType<TContext extends string = ContextType>(): TContext;
}