import type { AnyCallableRef, InputOfRef, OutputOfRef } from "../../references/index.js";
import type { WorkflowRunRef } from "../../sdk/types.js";
import type { RunOpts } from "@hatchet-dev/typescript-sdk";
/**
 * Describes the return type of the {@link HostRunFn} function.
 *
 * @param I The input type of the callable reference.
 * @param R The callable reference.
 * @param W Whether to wait for the task to complete before returning.
 */
export type HostRunReturn<I extends InputOfRef<R> | InputOfRef<R>[], R extends AnyCallableRef, W extends boolean> = I extends InputOfRef<R>[] ? W extends true ? OutputOfRef<R>[] : WorkflowRunRef<OutputOfRef<R>>[] : W extends true ? OutputOfRef<R> : WorkflowRunRef<OutputOfRef<R>>;
export interface HostRunOpts<W extends boolean> extends RunOpts {
    /**
     * Whether to wait for the task to complete before returning.
     *
     * @default true
     */
    wait?: W;
}
/**
 * Runs a child task or workflow. This can be used to run multiple tasks in parallel.
 * If `wait` is set to `false`, a `WorkflowRunRef` is returned.
 */
export type HostRunFn = <R extends AnyCallableRef, I extends InputOfRef<R> | InputOfRef<R>[], W extends boolean = true>(ref: R, input: I, options?: HostRunOpts<W>) => Promise<HostRunReturn<I, R, W>>;