import { CSSProperties, Ref } from 'react';
export declare function callAllEventHandlers(...fns: Array<Function | undefined>): (...args: any[]) => boolean;
export declare function assignHandlers(props: any, source: any): any;
export interface AssignableProps {
    ref?: Ref<any>;
    style?: CSSProperties;
    className?: string;
    styles?: {
        [key: string]: string;
    };
    [key: string]: any;
}
export default function assignProps<P extends AssignableProps, S extends AssignableProps>(props?: P, source?: S): any;