import { type z } from '@frontmcp/lazy-zod';
import { type FlowName } from '../../metadata';
type RequiredView<T> = {
    [K in keyof T]-?: Exclude<T[K], undefined>;
};
type StateAccess<T> = {
    [K in keyof T]: T[K] | undefined;
} & {
    required: RequiredView<T>;
};
type StateType<Name extends FlowName> = z.infer<ExtendFlows[Name]['state']>;
export type FlowStateOf<Name extends FlowName, T = StateType<Name>> = StateAccess<T> & {
    get<K extends keyof T>(key: K): T[K] | undefined;
    getOrThrow<K extends keyof T>(key: K, message?: string): Exclude<T[K], undefined>;
    set<K extends keyof T>(key: K, value: T[K]): FlowStateOf<Name, T>;
    set(patch: Partial<T>): FlowStateOf<Name, T>;
    snapshot(): Readonly<Partial<T>>;
};
export declare class FlowState {
    private constructor();
    static create<Name extends FlowName, T = StateType<Name>>(initial?: Partial<T>): FlowStateOf<Name>;
}
export {};
//# sourceMappingURL=flow.utils.d.ts.map