import type { Accumulate } from "../dtos/Accumulate.js";
import type { Refine } from "../dtos/Refine.js";
import type { RedefineInitialValue, RedefineParseResult, Spec } from "./Spec.js";
type BuilderInstance<T extends Spec<any, any>> = {
    spec: T;
};
export declare abstract class Builder<T extends Spec<any, any>> {
    readonly spec: T;
    constructor(spec: T);
    abstract initial<U>(initial: U): BuilderInstance<RedefineInitialValue<T, U>>;
    abstract accumulate(accumulate: Accumulate): BuilderInstance<T>;
    abstract refine<U>(refine: Refine): BuilderInstance<RedefineParseResult<T, U>>;
    abstract metadata(values: Record<string, any>): BuilderInstance<T>;
    abstract describe(description: string): BuilderInstance<T>;
    abstract required(): BuilderInstance<T>;
    parse(startIndex: number, args: string[], prevValue?: {
        current: any;
    }): import("../flags.js").ResultParser<any> | null;
}
export {};