import type { StandardSchemaV1 } from '@standard-schema/spec';
export declare const STANDARD_SCHEMA_DTO: unique symbol;
/**
 * Runtime class created by `createStandardSchemaDto`.
 *
 * Its instance type is the schema's parsed object output.
 */
export interface StandardSchemaDtoClass<Schema extends StandardSchemaV1<unknown, object> = StandardSchemaV1<unknown, object>> {
    new (): StandardSchemaV1.InferOutput<Schema>;
    readonly [STANDARD_SCHEMA_DTO]: true;
    readonly schema: Schema;
}
export type StandardSchemaSource = StandardSchemaV1 | StandardSchemaDtoClass;
/** Returns whether a value implements Standard Schema V1. */
export declare function isStandardSchema(value: unknown): value is StandardSchemaV1;
/** Returns whether a value is a branded Standard Schema DTO class. */
export declare function isStandardSchemaDto(value: unknown): value is StandardSchemaDtoClass;
/** Resolves a raw Standard Schema or the schema carried by a generated DTO. */
export declare function getStandardSchema<Schema extends StandardSchemaV1<unknown, object>>(source: StandardSchemaDtoClass<Schema>): Schema;
export declare function getStandardSchema<Schema extends StandardSchemaV1>(source: Schema): Schema;
export declare function getStandardSchema(source: StandardSchemaSource): StandardSchemaV1;
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