/**
 * Module data depth levels controlling how much data is retained for an {@link ArkModule}.
 * Higher levels are supersets of lower levels (incremental relationship).
 *
 * Valid direct load targets ({@link ModuleAnalysisConfig} / {@link ModuleBuilder.loadModule}):
 * {@link SIGNATURES} and {@link BODIES} only.
 *
 * {@link INDEX} is downgrade/fallback only: hollowed in-place ArkFile IR (export-reachable
 * shells kept so import/type/RTA lookup APIs still work). Passing it to setLoadLevel /
 * setDependencyLoadLevel / loadModule throws — do not use as a load target.
 *
 * @category core/model
 */
export declare enum ModuleDepthLevel {
    /**
     * Downgrade / fallback only: in-place hollow IR — bodies/AST/source stripped and
     * non-exported classes pruned; {@link ArkFile}/{@link ArkClass}/{@link ArkMethod}
     * shells remain queryable via the same Scene APIs as SIGNATURES.
     * Not a valid direct load target.
     */
    INDEX = 0,
    /**
     * Export/import info + namespaces/classes/method signatures (no method bodies).
     */
    SIGNATURES = 1,
    /**
     * SIGNATURES + method bodies (ArkBody, CFG, Stmt/Expr).
     */
    BODIES = 2
}
/** Throws if `level` is {@link ModuleDepthLevel.INDEX} (downgrade-only). */
export declare function assertDirectLoadLevel(level: ModuleDepthLevel): void;
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