import type { AnySchema, Static } from "./index.js";
export type SchemaDescriptor = AnySchema;
export type ValidationIssue = {
    path: readonly string[];
    expected: string;
    received: string;
    message: string;
    keyword?: string;
};
export type ValidationResult<T> = {
    ok: true;
    value: T;
} | {
    ok: false;
    issues: readonly ValidationIssue[];
};
export interface ValidationOptions {
    defaults?: "none" | "optional" | "all";
}
export declare function validate<S extends SchemaDescriptor>(schema: S, value: unknown, options?: ValidationOptions): ValidationResult<Static<S>>;
export declare function isPlainRecord(value: unknown): value is Record<string, unknown>;