/** Prefix `specifier` (a Rust import resolved to exactly one file) with the marker. */
export declare function markRustModSpecifier(specifier: string): string;
/** True when `specifier` was produced by `markRustModSpecifier`. */
export declare function hasRustModMarker(specifier: string): boolean;
/** Remove the marker `markRustModSpecifier` added. No-op if it isn't present. */
export declare function stripRustModMarker(specifier: string): string;
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