import { FilePointer, PathFilePointer } from "@sealcode/file-manager";
import Field from "../../../chip-types/field.js";
import type Context from "../../../context.js";
import { OpenApiTypes } from "../../../schemas/open-api-types.js";
export declare abstract class FileStorage<DecodedType = FilePointer | string, _InputType = FilePointer | [FilePointer], _StorageType = string> extends Field<DecodedType, FilePointer | [FilePointer], string> {
    handles_large_data: boolean;
    open_api_type: OpenApiTypes;
    get_default_file: (context: Context) => Promise<FilePointer>;
    isProperValue(context: Context, value: FilePointer | [FilePointer]): Promise<import("../../../chip-types/field-base.js").ValidationResult>;
    setParams(params: {
        get_default_file: (context: Context) => Promise<FilePointer>;
    }): void;
    encode(_: Context, file: FilePointer | [FilePointer]): Promise<string | null>;
    getPostgreSqlFieldDefinitions(): string[];
}
/** Takes a {@File} instance as input, stores it in the FS and then decodes to a URL.
 *
 * **Params**:
 * - `get_default_file` - ()=>Promise<{@link File}> - if no file is provided, then this file will be used in it's stead
 */
export default class FileField extends FileStorage<FilePointer | string, FilePointer | [FilePointer], string> {
    typeName: string;
    decode(context: Context, db_value: string | null, _old_value: unknown, is_http_api_request?: boolean): Promise<string | PathFilePointer | null>;
}