import { Builder } from "./Builder.js";
import { Spec, type InitialType, type RedefineInitialValue, type RedefineParseResult } from "./Spec.js";
import type { Accumulate } from "../dtos/Accumulate.js";
import type { Refine } from "../dtos/Refine.js";
export declare class BooleanFlagBuilder<T extends Spec<any, any>> extends Builder<T> {
    initial<U>(initial: U): BooleanFlagBuilder<RedefineInitialValue<T, U>>;
    accumulate(accumulate: Accumulate): BooleanFlagBuilder<T>;
    refine<U>(refine: Refine): BooleanFlagBuilder<RedefineParseResult<T, U>>;
    metadata(values: Record<string, any>): BooleanFlagBuilder<T>;
    describe(description: string): BooleanFlagBuilder<T>;
    required(): BooleanFlagBuilder<T>;
    delimiter(delimiter: string): BooleanFlagBuilder<Spec<null, unknown>>;
    transform<T>(transform: (value: InitialType<this["spec"]>) => T): BooleanFlagBuilder<Spec<any, T>>;
}