import { z } from 'zod';
import { SchemaPolicy } from './schema-policy.js';
export { ArrayBufferEncoding, DateEncoding, NumericDateDecoding, } from './schema-policy.js';
export type { SchemaFormat, SchemaPolicy, } from './schema-policy.js';
export declare const SchemaDefType: unique symbol;
export type AnySchema = z.ZodType;
export type SchemaDef<S extends AnySchema = AnySchema> = {
    readonly id: symbol;
    readonly build: (runtime: SchemaRuntime) => S;
    readonly debugName?: string;
    readonly [SchemaDefType]: true;
};
export type SchemaLike<T = unknown> = z.ZodType<T> | SchemaDef<z.ZodType<T>>;
export type ResolvedSchema<S> = S extends SchemaDef<infer TSchema> ? TSchema : S;
export declare function isSchema(value: unknown): value is z.ZodType;
export declare function isSchemaDef(value: unknown): value is SchemaDef;
export declare function defineSchema<S extends AnySchema>(builder: (runtime: SchemaRuntime) => S, options?: {
    id?: symbol;
    debugName?: string;
}): SchemaDef<S>;
export interface SchemaRuntime {
    readonly policy: SchemaPolicy;
    resolveSchema<S extends SchemaLike>(ref: S): ResolvedSchema<S>;
}
export declare function createSchemaRuntime(policy: SchemaPolicy): SchemaRuntime;