export type RpcDirective = 'use server' | 'use main';
/** Resolve an untrusted renderer module id only when it stays below srcDir. */
export declare function resolveRpcSource(encodedId: string, projectRoot: string, srcDir: string): string | null;
/** Match the same first-non-empty-line directive contract as production bundling. */
export declare function sourceHasRpcDirective(source: string, directive: RpcDirective): boolean;
export declare function fileHasRpcDirective(path: string, directive: RpcDirective): Promise<boolean>;
export declare function isSafeRpcExportName(name: string): boolean;
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