import { type ExtractFieldInput, type ValidationResult } from "../../../chip-types/field.js";
import FileField, { FileStorage } from "./file.js";
import { ImageValue } from "./image-value.js";
import type Context from "../../../context.js";
/** Like {@link FileField}, but meant for images. Has the capacity to format images and serve thumbnails and different sizes.
 *
 * **Params**:
 * - `default_format` - string - one of the image formats defined in the app config. If not specified otherwise in the `format` parameter upon request, images will be served in the size corresponding to this format.
 */
export default class ImageField extends FileStorage<ImageValue, ExtractFieldInput<FileField>, string> {
    typeName: string;
    default_format: string;
    isProperValue(context: Context, input: ExtractFieldInput<FileField>): Promise<ValidationResult>;
    setParams(params: Partial<Parameters<FileStorage["setParams"]>[0] & {
        default_format: string;
    }>): void;
    decode(context: Context, db_value: string | null, __: unknown, is_http_api_request?: boolean): Promise<ImageValue | null>;
}