export declare function getLineNumber(content: string, index: number): number;
export declare function firstLine(value: string): string;
export declare function commandName(command: string): string;
export declare function looksLikeTextFile(filePath: string): boolean;
export declare function parseFrontmatterName(content: string): string | undefined;
export declare function hasSourceMetadata(content: string): boolean;
export declare function sanitizeJsonError(error: unknown): string;