import type { CommandSettledDetail } from "./host-event-contract.js";
import type { CommandEnvelope, PublicCommandPayload } from "./sdk-types.js";
/**
 * A command input: the pure payload with `kind` and command-specific fields.
 * Distributes over the PublicCommandPayload union so discriminant
 * narrowing is preserved (e.g. `{ kind: "open", flowId }` type-checks).
 */
export type CommandInput = PublicCommandPayload extends infer C ? C extends PublicCommandPayload ? C : never : never;
type DispatchOptions = {
    idempotencyKey?: string;
};
/**
 * Creates a dispatch function that wraps a command payload in an envelope,
 * pushes it into the queue, and returns a promise that settles when the
 * runtime acknowledges it.
 *
 * Request IDs are generated automatically.
 *
 * @example
 * ```ts
 * const dispatch = createCommandDispatch((env) => queue.push(env));
 * await dispatch({ kind: "open", flowId: "f1", flowHandleId: "h1" });
 * ```
 */
export declare const createCommandDispatch: (push: (envelope: CommandEnvelope) => void) => ((input: CommandInput, options?: DispatchOptions) => Promise<void>);
export declare const createCommandSettlementDispatch: (push: (envelope: CommandEnvelope) => void) => ((input: CommandInput, options?: DispatchOptions) => Promise<CommandSettledDetail>);
export {};
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