export type LLMContentBlock = {
    type: 'text';
    text: string;
} | {
    type: 'tool_use';
    id?: string;
    name?: string;
    input?: Record<string, unknown>;
} | {
    type: 'tool_result';
    tool_use_id?: string;
    content?: string;
    is_error?: boolean;
} | Record<string, unknown>;
export interface LLMMessage {
    role: 'system' | 'user' | 'assistant' | 'tool';
    content: string | LLMContentBlock[];
}
export declare function isCompactionSummaryText(text: string): boolean;
export declare function isSyntheticUserText(text: string): boolean;
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