import { FormlyFieldConfig } from '@ngx-formly/core';
import { TranslateService } from '@ngx-translate/core';
export declare class TranslateExtension {
    private _translate;
    constructor(_translate: TranslateService);
    prePopulate(field: FormlyFieldConfig): void;
}
export declare const registerTranslateExtension: (translate: TranslateService) => {
    validationMessages: {
        name: string;
        message(): import("rxjs").Observable<any>;
    }[];
    extensions: {
        name: string;
        extension: TranslateExtension;
    }[];
};
//# sourceMappingURL=translate.extension.d.ts.map