import type { UniformValue } from "./types.js";
/**
 * Maps a camelCase parameter key (`softness`) to its uniform name
 * (`uSoftness`). Authors declare `defaults: { softness: 0.1 }` and the
 * runner finds the corresponding `uniform float uSoftness` in the shader.
 */
export declare function paramKeyToUniformName(key: string): string;
/**
 * Type-dispatched uniform upload. Handles scalars (float/bool) and 2/3/4-
 * component vectors. Matrix uniforms and integer vectors are out of scope
 * — libraries that need them can extend.
 */
export declare function setUniform(gl: WebGL2RenderingContext, loc: WebGLUniformLocation, value: UniformValue): void;
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