/** Internal nominal marker shared by MotionGPU-managed pass classes. */
export declare const managedPassBrand: unique symbol;
export type ManagedPassKind = 'compute' | 'feedback';
/** Internal nominal marker for built-in render passes with a known WGSL format contract. */
export declare const builtInRenderPassBrand: unique symbol;
export interface BuiltInRenderPassFormatContract {
    readonly passName: string;
    readonly input: 'float-sampled';
    readonly output: 'float-renderable';
}
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