import type { ShaderName, ShaderParams } from "./registry.js";
import type { PlayMode, QualityOptions } from "./types.js";
/**
 * A tuned shader, ready to hand to `<ShaderCanvas />` or `createShaderRenderer`.
 * This object is the thing you actually author: the slider positions you
 * settled on, in a form your editor can type-check.
 */
export interface ShaderConfig<K extends ShaderName = ShaderName> {
    readonly shader: K;
    readonly params?: ShaderParams<K>;
    readonly quality?: QualityOptions;
    readonly play?: PlayMode;
    /** Free-text note, kept so exported presets can explain themselves. */
    readonly note?: string;
}
/** Identity at runtime; it exists so `params` is checked against `shader`. */
export declare function defineShader<const K extends ShaderName>(config: ShaderConfig<K>): ShaderConfig<K>;
export interface ShadertownConfig {
    /** Where `shadertown add` writes vendored shaders. */
    readonly outDir?: string;
    /** Registry base URL. Point this at a fork to serve your own catalogue. */
    readonly registry?: string;
    /** License key, or the name of the env var holding it. */
    readonly license?: string;
    /** Named presets, so a project refers to `presets.hero` rather than a slug. */
    readonly presets?: Readonly<Record<string, ShaderConfig>>;
}
export declare function defineShadertownConfig(config: ShadertownConfig): ShadertownConfig;
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