import Field, { type ExtractFieldDecoded, type ExtractFieldInput, type ExtractFieldStorage, HybridField } from "../../../chip-types/field.js";
import type { CollectionItem, Context } from "../../../main.js";
import type Policy from "../../../chip-types/policy.js";
export default class SettableBy<T extends Field<any, any>> extends HybridField<ExtractFieldDecoded<T>, ExtractFieldInput<T>, ExtractFieldStorage<T>, ExtractFieldDecoded<T>, ExtractFieldInput<T>, ExtractFieldStorage<T>, T> {
    typeName: string;
    policy: Policy;
    constructor(base_field: T, policy: Policy);
    isProperValue(context: Context, input: Parameters<T["encode"]>[1], old_value: Parameters<T["encode"]>[2], _blessing: unknown, item: CollectionItem | undefined): Promise<import("../../../main.js").ValidationResult>;
}