/**
 * Method for apply css prefix css
 * @export
 * @param  {({[key: string]: any | null})} target
 * @return
 */
declare function applyCssPrefixes(target: {
    [key: string]: any | null;
}): {
    [key: string]: any;
};

declare const INLINE = "inline";
declare const LAYOUT_VALUES: string[];
/**
 * Method to validate the direction|'direction wrap' value and then update the host's inline flexbox styles
 */
declare function buildLayoutCSS(value: string): any;
/**
  * Method to validate the value to be one of the acceptable value options
  * Use default fallback of 'row'
  */
declare function validateValue(value: string): [string, string, boolean];
/**
 * Method for Determine if the validated, flex-direction value specifies
 * a horizontal/row flow.
 */
declare function isFlowHorizontal(value: string): boolean;
/**
 * Convert layout-wrap='<value>' to expected flex-wrap style
 */
declare function validateWrapValue(value: string): string;

/**
 * Method for extend object with other objects.
 * @export
 * @param  {*} dest
 * @param  {...any[]} sources
 * @return *
 */
declare function extendObject(dest: any, ...sources: any[]): any;

export { INLINE, LAYOUT_VALUES, applyCssPrefixes, buildLayoutCSS, extendObject, isFlowHorizontal, validateValue, validateWrapValue };