import { TLiteral } from '@sinclair/typebox';
import { JSONSchema7Definition, JSONSchema7, JSONSchema7Type } from 'json-schema';
export declare type IntoStringUnion<T> = {
    [K in keyof T]: T[K] extends string ? TLiteral<T[K]> : never;
};
export declare function StringUnion<T extends string[]>(values: [...T], options?: any): import("@sinclair/typebox").TKeyOf<import("@sinclair/typebox").ReadonlyOptionalPropertyKeys<Record<T[number], any>> | import("@sinclair/typebox").ReadonlyPropertyKeys<Record<T[number], any>> | import("@sinclair/typebox").OptionalPropertyKeys<Record<T[number], any>> | Exclude<T[number], import("@sinclair/typebox").ReadonlyOptionalPropertyKeys<Record<T[number], any>> | import("@sinclair/typebox").ReadonlyPropertyKeys<Record<T[number], any>> | import("@sinclair/typebox").OptionalPropertyKeys<Record<T[number], any>>>>;
declare type Options = {
    returnPlaceholderForAny?: boolean;
    genArrayItemDefaults?: boolean;
};
export declare function generateDefaultValueFromSpec(spec: JSONSchema7, options?: Options): JSONSchema7Type;
export declare function isJSONSchema(spec?: JSONSchema7Definition): spec is JSONSchema7;
export {};