import type { HumanFileExtensionConfig } from "../../core/types.ts";
import type { ConversionUnit, DirectDiscoveryResult } from "../../workflows/types.ts";
/**
 * Extensions searched for inline `@human` markers. Exported because it is also
 * the exact test for whether text written into a file would be picked up as an
 * instruction by a later run: pre-write validation refuses to emit a live marker
 * into any file this set covers.
 */
export declare const MARKER_SCANNED_EXTENSIONS: ReadonlySet<string>;
/** Bounded direct-path file walk, shared with combined project validation. */
export declare function walkDirectFiles(root: string): Promise<string[]>;
/** Discover units plus actionable notices for marker text that cannot run safely. */
export declare function discoverDirectUnits(root: string, language: string | readonly string[], humanFileExtensions?: readonly HumanFileExtensionConfig[], options?: {
    /** Existing targets owned by a compiler lock may be rebuilt or replayed. */
    lockedTargets?: ReadonlySet<string>;
}): Promise<DirectDiscoveryResult>;
/** Returns only the conversion units that are actually runnable. */
export declare function discoverUnits(root: string, language: string | readonly string[], humanFileExtensions?: readonly HumanFileExtensionConfig[]): Promise<ConversionUnit[]>;
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