import React from 'react';
export type SlotComponentOrProps<TProps> = React.ComponentType<TProps> | Omit<Partial<TProps>, 'children'>;
export declare function isComponentOverride(value: unknown): value is React.ComponentType<any>;
type MergeableProps = {
    className?: string;
    style?: React.CSSProperties;
    css?: unknown;
};
export declare function createPropsOverrideComponent<TProps extends MergeableProps>(DefaultComponent: React.ComponentType<TProps>, overrideProps: Omit<Partial<TProps>, 'children'>): React.ComponentType<TProps>;
export declare function normalizeSlotComponents<Components extends {
    [Key in keyof Components]: React.ComponentType<any>;
}>(defaultComponents: Components, overrides: Partial<{
    [Key in keyof Components]: SlotComponentOrProps<any>;
}> | undefined): Components;
export {};