import Traversable, { TraversableProps } from './Traversable';
import Renderable from './Renderable';
import { UniformList } from './Material';
import { UniformValue } from './UniformValue';
declare type UniformProviderUpdateFunction = (previousValue: UniformValue) => UniformValue | void;
interface UniformProviderUpdateList {
    [key: string]: UniformProviderUpdateFunction;
}
export interface UniformProviderProps extends TraversableProps<UniformProvider> {
    uniforms: UniformList;
}
export default class UniformProvider extends Traversable {
    readonly isUniformProvider = true;
    uniforms: UniformList;
    constructor(props: UniformProviderProps);
    setUniform(key: string, value: UniformValue): void;
    setUniforms(list: UniformList): void;
    updateUniform(key: string, func: UniformProviderUpdateFunction): void;
    updateUniforms(list: UniformProviderUpdateList): void;
    applyUniformsToNode(node: Renderable): void;
}
export {};