import type { ColorPipelineOptions } from './types.js';
/**
 * Inputs that affect renderer pipeline compilation.
 */
export interface RendererPipelineSignatureInput {
    /**
     * Material pipeline signature (fragment preprocess + uniform/texture layout).
     */
    materialSignature: string;
    /**
     * Color pipeline and HDR presentation options.
     */
    color?: ColorPipelineOptions;
}
/**
 * Returns deterministic renderer pipeline signature.
 *
 * Rebuild triggers:
 * - material signature changes (shader/layout related)
 * - color pipeline, output encoding, or HDR presentation options change
 *
 * Non-triggers:
 * - runtime uniform values
 * - runtime texture sources
 * - clear color changes
 */
export declare function buildRendererPipelineSignature(input: RendererPipelineSignatureInput): string;
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