import AbstractColumnHelper, { SerializerOrParserFnProps } from '../column.interface';
export declare class TimeHelper extends AbstractColumnHelper {
    columnDefaultMeta: {
        is12hrFormat: boolean;
    };
    serializeValue(value: any, params: SerializerOrParserFnProps['params']): string | null;
    parseValue(value: any, params: SerializerOrParserFnProps['params']): string | null;
    parsePlainCellValue(value: any, params: SerializerOrParserFnProps['params']): string | null;
    equalityComparison(a: any, b: any, param: SerializerOrParserFnProps['params']): boolean;
}