/**
 * Org sections spec 13.1.3: the opt-in surface. `sectionsSurface` is the ONE
 * place that decides "sections on", mirroring `contextSurface`. Every sections
 * code path (definition checks, the relaxed checklist, later the tools, prompt
 * and store) asks it and nothing else; an org for which it is off behaves byte
 * for byte as it did before sections existed.
 */
export interface SectionsSurface {
    /** True when the definition has a top-level `sections` object with at least
     *  one declared section (an entry that is a non-empty object). `documents`
     *  or `requires` alone never switch it on, and neither does `sections: {}`
     *  or an entry with nothing in it. */
    enabled: boolean;
}
/** Pure: reads `def.sections` only, never mutates, and has no other input. */
export declare function sectionsSurface(def: {
    sections?: unknown;
} | undefined): SectionsSurface;
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