/**
 * Componentwise computes GLSL `smoothstep()` for given nD vector `c` and using
 * "edge" vectors `a` and `b`. Multi-method.
 *
 * @param o - output vector
 * @param a - input vector
 * @param b - input vector
 * @param c - input vector
 */
export declare const smoothStep: import("./api.js").MultiVecOpVVV<number>;
/**
 * Componentwise computes GLSL `smoothstep()` for given 2D vector `c` and using
 * "edge" vectors `a` and `b`.
 *
 * @param o - output vector
 * @param a - input vector
 * @param b - input vector
 * @param c - input vector
 */
export declare const smoothStep2: import("./api.js").VecOpVVV<number>;
/**
 * Componentwise computes GLSL `smoothstep()` for given 3D vector `c` and using
 * "edge" vectors `a` and `b`.
 *
 * @param o - output vector
 * @param a - input vector
 * @param b - input vector
 * @param c - input vector
 */
export declare const smoothStep3: import("./api.js").VecOpVVV<number>;
/**
 * Componentwise computes GLSL `smoothstep()` for given 4D vector `c` and using
 * "edge" vectors `a` and `b`.
 *
 * @param o - output vector
 * @param a - input vector
 * @param b - input vector
 * @param c - input vector
 */
export declare const smoothStep4: import("./api.js").VecOpVVV<number>;
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