export interface ReadTrailerFacts {
    truncated: boolean;
    totalLines?: number;
    nextOffset?: number;
}
export interface NormalizedReadResult {
    text: string;
    notes: string[];
    truncated: boolean;
    changed: boolean;
    anchored?: string;
    /** True file line count when the client trailer reported one. */
    totalLines?: number;
    /** Offset the client told the model to resume from. */
    nextOffset?: number;
}
/**
 * Normalize a client tool result that may be a Read render.
 * Unrecognized text passes through unchanged (changed: false).
 */
export declare function normalizeReadResultText(raw: string): NormalizedReadResult;
/** True when a tool name looks like a read-role tool. */
export declare function isReadRoleTool(name: string): boolean;
export declare function isEditRoleTool(name: string): boolean;
/** True when a tool name is a search-role tool (grep/glob and aliases). */
export declare function isSearchRoleTool(name: string): boolean;