import type { StepDefinition } from './step.js';
export declare const ORCHESTRATION_DEFINITION_BRAND: unique symbol;
export interface OrchestrationDefinition<TInput = unknown, TShared extends Record<string, unknown> = Record<string, unknown>> {
    readonly name: string;
    readonly entry: string;
    readonly steps: Readonly<Record<string, StepDefinition<TShared>>>;
    readonly __inputType?: TInput;
}
export declare function isOrchestrationDefinition(val: unknown): val is OrchestrationDefinition;
export declare function defineOrchestration<TInput = unknown, TShared extends Record<string, unknown> = Record<string, unknown>>(def: OrchestrationDefinition<TInput, TShared>): OrchestrationDefinition<TInput, TShared>;