import { PatchableDecoder } from './AutoEncoder.js';
export declare class Field<T> {
    optional: boolean;
    nullable: boolean;
    decoder: PatchableDecoder<T>;
    /**
     * Set to true if you want to force encoding of the field, even for default values
     * when saved to Database medium
     */
    queryable: boolean;
    /**
     * Executed after decoding / before encoding to convert to a correct internal value (= latest version)
     */
    upgrade?: (old: any) => any;
    downgrade?: (newer: any) => any;
    upgradePatch?: (old: any) => any;
    downgradePatch?: (newer: any) => any;
    /**
     * Version in which this field was added
     */
    version: number;
    /**
     * Name of the property where to save / get this value
     */
    property: string;
    /**
     * Name in the encoded version
     */
    field: string;
    /**
     * Name in the encoded version
     */
    fieldAlias?: string;
    /**
     * Internal value for unsupported versions
     */
    defaultValue?: () => any;
    isDefaultValue?: (val: unknown) => boolean;
    /**
     * Internal value for unsupported versions
     */
    patchDefaultValue?: () => any;
    /**
     * Optimization during encoding/decoding.
     * Whether there is a newer field with a higher version for this property
     */
    hasNewerField: boolean;
    getOptionalClone(): Field<unknown>;
}
//# sourceMappingURL=Field.d.ts.map