export interface AuthoredWorkflowDirectiveSource {
    readonly hasDirectives: boolean;
    readonly hasWorkflowDirective: boolean;
    readonly source: string;
}
/**
 * The directive transform understands one shape: a top-level `async function`
 * whose first statement is the directive. A marked `defineWorkflowTool` executor is hoisted
 * into that shape here; every other placement is a build error, because an
 * ignored directive would run side effects inline in a replayed body.
 */
export declare function prepareAuthoredWorkflowDirectives(input: {
    readonly filePath: string;
    readonly source: string;
}): Promise<AuthoredWorkflowDirectiveSource>;