/**
 * Returns true if recompilation is needed: either no artifacts exist in target/ or any .nr or Nargo.toml source file
 * (including path-based dependencies) is newer than the oldest artifact. We compare against the oldest artifact so
 * that a source change between the oldest and newest compilation (e.g. in a multi-contract workspace) still triggers
 * a recompile.
 *
 * Note: The above implies that if there is a random json file in the target dir we would be always recompiling.
 */
export declare function needsRecompile(): Promise<boolean>;
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