/**
 * Shared content block explosion logic.
 * Used by Claude Code, Command Code, and any parser with text/thinking/tool_use/tool_result blocks.
 */
import type { ContentBlock, NormalizedMessage } from '../types.js';
export interface RawBlock {
    type: string;
    text?: string;
    thinking?: string;
    id?: string;
    name?: string;
    input?: Record<string, unknown>;
    tool_use_id?: string;
    content?: string | Array<{
        type: string;
        text?: string;
    }>;
    is_error?: boolean;
    [key: string]: unknown;
}
export interface ExplodedMessage {
    role: NormalizedMessage['role'];
    content: string;
    blocks: ContentBlock[];
    timestamp: Date;
    rawLineIndex: number;
}
export declare function extractToolResultContent(content: unknown): string;
export declare function isSystemInjectedText(text: string): boolean;
export declare function cleanPrompt(prompt: string | null | undefined): string | null;
export declare function explodeAssistantBlocks(blocks: RawBlock[], timestamp: Date, lineIndex: number): ExplodedMessage[];
export declare function explodeUserBlocks(blocks: RawBlock[], timestamp: Date, lineIndex: number): ExplodedMessage[];
export declare function indexMessages(exploded: ExplodedMessage[]): NormalizedMessage[];
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