import type { BuiltinValue } from '../core/editor-values.js';
type ForbiddenFieldPathSegment = '__proto__' | 'constructor' | 'prototype';
type StringFieldKey<TValue> = Exclude<Extract<keyof TValue, string>, ForbiddenFieldPathSegment>;
type TraversableFieldValue<TValue> = NonNullable<TValue> extends BuiltinValue | readonly unknown[] | ReadonlyMap<unknown, unknown> | ReadonlySet<unknown> ? never : NonNullable<TValue> extends object ? NonNullable<TValue> : never;
type FieldPathAtDepth<TValue, TDepth extends readonly unknown[]> = TDepth['length'] extends 5 ? never : {
    [TKey in StringFieldKey<TValue>]: TKey | (TraversableFieldValue<TValue[TKey]> extends never ? never : `${TKey}.${FieldPathAtDepth<TraversableFieldValue<TValue[TKey]>, readonly [...TDepth, unknown]>}`);
}[StringFieldKey<TValue>];
/**
 * Safe object path for a form-value object, limited to five object levels.
 */
export type FieldPath<TFormValues extends object> = FieldPathAtDepth<TFormValues, readonly []>;
type FieldPathValueAtPath<TValue, TPath extends string> = TPath extends `${infer THead}.${infer TTail}` ? THead extends keyof NonNullable<TValue> ? FieldPathValueAtPath<NonNullable<TValue>[THead], TTail> : never : TPath extends keyof NonNullable<TValue> ? NonNullable<TValue>[TPath] : never;
/** Value represented by a safe form field path. */
export type FieldPathValue<TFormValues extends object, TPath extends FieldPath<TFormValues>> = FieldPathValueAtPath<TFormValues, TPath>;
/**
 * Parses and validates a runtime field path.
 *
 * @param fieldPath - Consumer-supplied dot-separated field path.
 * @returns Validated path segments.
 * @throws EditorConfigurationError for malformed, array-like, or
 * prototype-related segments.
 */
export declare function parseFieldPath(fieldPath: string): readonly string[];
export {};