import { checkCache } from "./symbols";
import { SMap, ResourceError, Generatable } from "./general";
import { refPlaceholder } from "./refPlaceholder";
export declare class StackBackend {
    private static readonly moduleCache;
    private [checkCache];
    static readonly sym: unique symbol;
    private resources;
    private preparable;
    constructor(file: any);
    checkValid(): SMap<ResourceError>;
    prepareQueue(moduleSet: Set<StackBackend>): void;
    generateObject(): generationOutput;
}
export interface stackPreparable {
    moduleBackends: Set<StackBackend>;
    resources: Set<Generatable | refPlaceholder<Generatable>>;
}
interface generationOutput {
    AWSTemplateFormatVersion: string;
    Transform?: string;
    Description?: string;
    Parameters?: SMap<any>;
    Resources: SMap<any>;
    Outputs?: SMap<any>;
}
export {};