/** Parsed standalone plain-text tool call block with source offsets for repair. */
export type PlainTextToolCallBlock = {
    /** Parsed JSON arguments object. */
    arguments: Record<string, unknown>;
    /** Exclusive end offset of the parsed block. */
    end: number;
    /** Tool name parsed from bracket, Harmony, or XML-ish syntax. */
    name: string;
    /** Original text slice that produced this block. */
    raw: string;
    /** Inclusive start offset of the parsed block. */
    start: number;
};
/** Parser limits and allow-list options for plain-text tool-call repair. */
export type PlainTextToolCallParseOptions = {
    /** Optional allow-list of tool names that may be repaired. */
    allowedToolNames?: Iterable<string>;
    /** Maximum serialized payload size accepted for one repaired call. */
    maxPayloadBytes?: number;
};
/**
 * The single source of truth for the plain-text tool-call payload cap (256 KB). A serialized call
 * larger than this is never treated as a tool call. Re-exported from `./promote.js` (and the module
 * index) as `MAX_TEXT_EMITTED_TOOL_CALL_PAYLOAD_BYTES` — the public name — so there is ONE constant,
 * not two duplicated literals. (EXT-43 unified the former `DEFAULT_MAX_PLAIN_TEXT_TOOL_PAYLOAD_BYTES`
 * here with `promote.ts`'s copy.)
 */
export declare const MAX_TEXT_EMITTED_TOOL_CALL_PAYLOAD_BYTES = 256000;
/**
 * Parse the WHOLE input into standalone plain-text tool-call blocks, or return null if any part of
 * it is not such a block. This all-or-nothing walk is the standalone-only gate: prose that merely
 * mentions a tool name, contains brackets, or embeds a call inside a sentence never parses (the
 * first non-block character aborts the parse). Allow-list + payload-cap gating are applied per
 * block via {@link PlainTextToolCallParseOptions}.
 */
export declare function parseStandalonePlainTextToolCallBlocks(text: string, options?: PlainTextToolCallParseOptions): PlainTextToolCallBlock[] | null;