/**
 * Utilities for parsing stream-json output from Claude CLI.
 */
export interface StreamJsonMessage {
    type?: string;
    subtype?: string;
    message?: {
        content?: Array<{
            type: string;
            text?: string;
        }>;
    };
    result?: string;
}
/**
 * Extract text content from a stream-json line.
 * Returns null if the line doesn't contain assistant text.
 */
export declare function extractTextFromStreamLine(line: string): string | null;
/**
 * Check if a stream line indicates completion.
 */
export declare function isStreamComplete(line: string): boolean;
/**
 * Check if a stream line indicates an error.
 */
export declare function isStreamError(line: string): {
    isError: boolean;
    message?: string;
};
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