import type { AltEditorLiteLanguage } from './alt-editor-lite-language.js';
import type { EditorValues } from './editor-values.js';
import type { FieldConfig } from '../fields/field-config.js';
import type { HostRowCollectionCapability } from '../host/editor-host.js';
interface UniqueValidationExclusion<TRow extends object, TTarget> {
    readonly row?: TRow;
    readonly target?: TTarget;
}
/** Performs host-scoped uniqueness checks for configured field paths. */
export declare class LocalUniquenessValidator<TRow extends object, TFormValues extends object, TTarget> {
    private readonly collection;
    private readonly language;
    private readonly fields;
    constructor(collection: HostRowCollectionCapability<TRow, TTarget>, fieldConfigurations: readonly FieldConfig<TFormValues>[], language: Readonly<AltEditorLiteLanguage>);
    /** Returns messages for values duplicated by another loaded row. */
    validate(values: Readonly<EditorValues<TFormValues>>, exclusion?: Readonly<UniqueValidationExclusion<TRow, TTarget>>): Readonly<Record<string, string>>;
}
export {};