/**
 * Search and formatting utilities for offloaded content.
 *
 * Provides grep-like pattern matching and line-range random access over stored
 * text content, with output capped to a character budget.
 */
/** Returns whether the given MIME content type can be searched as text. */
export declare function isSearchableContent(contentType: string): boolean;
/**
 * Search offloaded text content by pattern or line range.
 *
 * @param text - The full text content to search
 * @param input - Search parameters (pattern, line_range, context_lines)
 * @param maxChars - Maximum output size in characters; results are truncated beyond this
 * @returns Formatted search results with line numbers, or an error/empty message
 */
export declare function searchContent(text: string, input: {
    pattern?: string | undefined;
    line_range?: {
        start: number;
        end: number;
    } | undefined;
    context_lines: number;
}, maxChars: number): string;
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