import { type Component } from "@kolisachint/hoocode-tui";
/** The single most identifying argument of a call, as a one-line string. */
export declare function toolSubject(args: unknown, cwd: string): string;
export interface ToolSignalInput {
    toolName: string;
    args: unknown;
    cwd: string;
    result?: {
        content: Array<{
            type: string;
            text?: string;
            data?: string;
            mimeType?: string;
        }>;
        isError: boolean;
    };
    isPartial: boolean;
    showImages: boolean;
    /** The newest call in the transcript. Themes that set `activeToolBg` mark it. */
    isLatest?: boolean;
}
/**
 * The flush-right signal: how much output came back, or why none did.
 *
 * Line count is the useful magnitude for nearly every tool here — it is what
 * separates a search that found one hit from one that found four hundred. A
 * result with no text (a successful `edit`, a `TodoWrite`) has no magnitude
 * worth printing, so it reports the outcome instead.
 */
export declare function toolSignal(input: ToolSignalInput): {
    text: string;
    color: "success" | "error" | "warning";
};
/**
 * Render one radar row, already padded and coloured, without the status dot —
 * the caller prepends that so the dot stays inline with the first line the same
 * way it does in the other two views.
 */
export declare function renderToolSignalLine(input: ToolSignalInput, width: number): string;
/**
 * Component wrapper so a radar row slots into the same container the call
 * renderers use, and re-renders on resize like everything else.
 */
export declare class ToolSignalComponent implements Component {
    private input;
    private memo?;
    constructor(input: ToolSignalInput);
    setInput(input: ToolSignalInput): void;
    invalidate(): void;
    render(width: number): string[];
}
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