import { s } from '../schema';
import type { QuickJSAsyncContext, QuickJSHandle } from 'quickjs-emscripten-core';
import { RuntimeTransport } from './transport';
/**
 * A reference to a function in the runtime.
 *
 * @public
 * @param Args - The args of the function.
 * @param Result - The result of the function.
 * @returns The function reference.
 */
export type RuntimeFunctionRef<Args, Result> = {
    name: string;
    description: string;
    args?: s.HashbrownType;
    result?: s.HashbrownType;
    handler: (args: Args, abortSignal: AbortSignal) => Result | Promise<Result>;
};
/**
 * Creates a function with an input schema.
 *
 * @public
 * @param cfg - The configuration for the function containing:
 *   - `name`: The name of the function
 *   - `description`: The description of the function
 *   - `args`: The args schema of the function
 *   - `result`: The result schema of the function
 *   - `handler`: The handler of the function
 * @returns The function reference.
 */
export declare function createRuntimeFunctionImpl(cfg: {
    name: string;
    description: string;
    args: s.HashbrownType;
    result: s.HashbrownType;
    handler: (args: unknown, abort?: AbortSignal) => unknown;
} | {
    name: string;
    description: string;
    result: s.HashbrownType;
    handler: (abort?: AbortSignal) => unknown;
} | {
    name: string;
    description: string;
    args: s.HashbrownType;
    handler: (args: unknown, abort?: AbortSignal) => unknown;
} | {
    name: string;
    description: string;
    handler: (abortSignal?: AbortSignal) => unknown;
}): RuntimeFunctionRef<any, any>;
export declare function attachFunctionToContext(context: QuickJSAsyncContext, transport: RuntimeTransport, definition: RuntimeFunctionRef<any, Promise<any>>, attachTo: QuickJSHandle, abortSignal: AbortSignal): QuickJSHandle;
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