/**
 * Cross-harness support derivation: pure functions that answer "which
 * harnesses express this option, and under what native spelling" from the
 * descriptor set. Phase 3 (D7): refusal diagnostics derive support lists at
 * runtime instead of hardcoding them, so a descriptor edit can never leave
 * a refusal message stale. The autonomy refusal in argv.ts was the
 * counter-pattern - a hardcoded flag array that drifts on descriptor
 * change.
 *
 * Interpretation-layer pure function; takes the descriptor set as an
 * argument rather than importing the defaults, so override sets work.
 */
import type { DescriptorSet } from "../knowledge/overrides.js";
import type { RefusalOption } from "./refusal.js";
export interface SupportEntry {
    readonly harness: string;
    /** The native spelling a caller would use directly on that harness. */
    readonly spelling: string;
}
/** Every harness in the set that can express `option`, with its native
 * spelling. Ordered by the set's insertion order (defaults: claude, codex,
 * pi, muse) so output is stable across calls. */
export declare const supportedBy: (set: DescriptorSet, option: RefusalOption) => readonly SupportEntry[];
export declare const supportedByCanonical: (set: DescriptorSet, canonical: string) => readonly SupportEntry[];
/** Reverse lookup for native-spelling recognition (D7 part B): given a raw
 * flag token a caller typed, find the option it belongs to and which
 * harnesses spell it that way. Returns null for tokens no descriptor
 * knows - those keep the plain unknown-flag error. */
export declare const recognizeNativeSpelling: (set: DescriptorSet, flag: string) => {
    readonly option: RefusalOption;
    readonly entries: readonly SupportEntry[];
} | null;
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