/** Resolved producer inputs for an extension package. */
export interface ExtensionBuildConfig {
    /** Absolute authoring root from `eve.extension.source`. */
    readonly sourceRoot: string;
    /** Absolute agent-shaped distribution root from `eve.extension.dist`. */
    readonly distRoot: string;
    /** Directory containing the dist root and generated package entrypoints. */
    readonly outDir: string;
    readonly packageName: string;
    /** Short package name used for the generated named mount export. */
    readonly shortName: string;
    /** Packages allowed to remain as imports in the published distribution. */
    readonly runtimeDependencies: readonly string[];
}
/** Reads and validates the extension producer contract from `package.json`. */
export declare function tryReadExtensionBuildConfig(rootDir: string): Promise<ExtensionBuildConfig | null>;
/** Ensures package exports point at the build output's generated entrypoints. */
export declare function ensureExtensionExports(appRoot: string, outDir: string): Promise<void>;