export default AmbientOcclusionShader;
declare function AmbientOcclusionShader(): {
    uniforms: {
        normalMap: {
            type: string;
            value: any;
        };
        heightMap: {
            type: string;
            value: any;
        };
        world_size: {
            type: string;
            value: Vector2;
        };
        rayLength: {
            type: string;
            value: number;
        };
    };
    defines: {
        NUM_SAMPLES: number;
        NUM_RINGS: number;
    };
    vertexShader: string;
    fragmentShader: string;
};
import { Vector2 } from "three";
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