export declare const SEARCH_CONTENT_LIMITS: {
    readonly maxPaths: 50;
    readonly maxPathChars: 4096;
    readonly maxQueryChars: 2048;
    readonly maxContextLines: 10;
    readonly maxResults: 200;
    readonly maxResultsPerFile: 100;
    readonly maxFileBytes: 10000000;
    readonly maxLineChars: 500;
    readonly maxOutputChars: 200000;
    readonly maxOutputPathChars: 1024;
};
export type SearchContentErrorCode = "missing" | "not_file" | "permission_denied" | "cloud_unavailable" | "encoding_error" | "read_error" | "too_large" | "binary" | "global_limit_reached";
export interface SearchContentParams {
    paths: string[];
    query: string;
    regex: boolean;
    caseSensitive: boolean;
    contextLines: number;
    maxResults: number;
    maxResultsPerFile: number;
}
export interface SearchContentContextLine {
    line: number;
    text: string;
}
export interface SearchContentMatch {
    line: number;
    excerpt: string;
    context_before: SearchContentContextLine[];
    context_after: SearchContentContextLine[];
}
export interface SearchContentFileResult {
    path: string;
    status: "ok" | "partial" | "skipped" | "error";
    matches: SearchContentMatch[];
    truncated: boolean;
    error?: {
        code: SearchContentErrorCode;
    };
}
export interface SearchContentResult {
    tool: "fc_search_content";
    mode: "literal" | "regex";
    case_sensitive: boolean;
    context_lines: number;
    limits: {
        max_results: number;
        max_results_per_file: number;
        max_file_bytes: number;
        max_line_chars: number;
        max_output_chars: number;
    };
    summary: {
        requested_files: number;
        searched_files: number;
        matched_files: number;
        skipped_files: number;
        error_files: number;
        matches_returned: number;
        global_limit_reached: boolean;
        output_truncated: boolean;
    };
    files: SearchContentFileResult[];
}
interface FileStats {
    size: number;
    isFile(): boolean;
}
export interface SearchContentDependencies {
    stat?: (filePath: string) => Promise<FileStats>;
    readFile?: (filePath: string) => Promise<Buffer>;
}
export declare class InvalidRegularExpressionError extends Error {
    constructor();
}
export declare function searchContent(params: SearchContentParams, dependencies?: SearchContentDependencies): Promise<SearchContentResult>;
export declare function formatSearchContentResult(result: SearchContentResult): string;
export {};
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