/**
 * A flow's body: one `## <id>` section per `agent` node, and nothing else.
 *
 * Text no turn reads is text its author believes a model saw, so text before
 * the first section is refused, and so are an empty section and one written
 * twice. `###` headings are prose inside a section, and a `##` inside a fenced
 * code block is prose too: a section may show the Markdown it asks for.
 */
/** One section, and where it failed to be one. */
export type SectionProblem = {
    readonly code: "body-preamble" | "section-empty" | "section-duplicate";
    readonly at: string;
    readonly message: string;
};
/** The sections of a body, by id, in the order written, and what was refused. */
export type Sections = {
    readonly sections: ReadonlyMap<string, string>;
    readonly problems: readonly SectionProblem[];
};
/** Cuts `body` into its sections. */
export declare function readSections(body: string): Sections;
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