/**
 * Optical-techniques register — named lens-and-camera patterns that produce
 * specific recognizable looks (Joey 3.0 Worldbuilder). PURE and deterministic:
 * no I/O, no Date, no Math.random.
 *
 * Each technique is a complete optical recipe (vantage + lens + the physical
 * ingredient that sells the look) plus the constraint that keeps it from
 * collapsing — the same shape as the VFX register (`vfx-register.ts`), applied
 * to glass instead of effects. FOV degrees follow the discrete anchor ladder
 * in `cinematography.ts` (`FOV_ANCHORS`).
 */
export interface OpticalTechnique {
    id: string;
    label: string;
    /** The prompt-ready optical recipe (vantage → lens → ingredient). */
    phrase: string;
    /** The constraint that keeps the technique from breaking. */
    constraint: string;
}
export declare const OPTICAL_TECHNIQUES: Record<string, OpticalTechnique>;
export declare const OPTICAL_TECHNIQUE_IDS: string[];
/**
 * The optical-technique line for `id`: the recipe + its holding constraint.
 * Throws on an unknown id (no silent fallback).
 */
export declare function opticalTechniqueLine(id: string): string;
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