import { SchemaBase } from './dsl.js';
import type { DtoField, DtoMessage, DtoArrayField, DtoObjectField } from './dto.js';
import type { RefSchema } from './ref.js';
import type { ControllerMethodSchema } from './controller.js';
/** An action a user can perform on a page (e.g. submit, approve, reject).
 *  Subclasses use `type` as the discriminator. */
export interface PageActionSchema extends SchemaBase {
    type: string;
}
export declare function definePageAction(name: string, description?: string): PageActionSchema;
/** Parameter data source for a call argument. */
export type DataRef = {
    type: 'route';
    key: string;
} | {
    type: 'data';
    key: string;
} | {
    type: 'value';
    value: unknown;
};
/** Create a route-parameter reference. */
export declare function route(key: string): DataRef;
/** Create a page-data reference. */
export declare function data(key: string): DataRef;
export interface CallAction extends PageActionSchema {
    type: 'call';
    func: ControllerMethodSchema;
    args?: Record<string, DtoField | DtoMessage | DtoArrayField | DtoObjectField | RefSchema | string>;
}
export declare function call(func: ControllerMethodSchema, args?: Record<string, DtoField | DtoMessage | DtoArrayField | DtoObjectField | RefSchema | string>): CallAction;
/** Assign a call's result to a page data field.
 *  React: setState({ [field]: await ... }). Mini-program: this.setData({ [field]: ... }). */
export interface SetDataAction extends PageActionSchema {
    type: 'setData';
    call: CallAction;
    field: DtoField;
}
export declare function setData(call: CallAction, field: DtoField): SetDataAction;