import { SmFile } from './schemas.js';
/**
 * Extracts all Mermaid diagrams from markdown content
 *
 * @param markdown Markdown content
 * @returns Array of Mermaid diagram strings (without the ``` markers)
 */
export declare function extractMermaidDiagrams(markdown: string): string[];
/**
 * Validates that content is a valid .sm file
 *
 * Requirements:
 * - Non-empty content
 * - At least one Mermaid diagram
 *
 * @param content Markdown content
 * @returns Validation result
 */
export declare function validateSmFile(content: string): {
    valid: boolean;
    error?: string;
};
/**
 * Parses a .sm file content
 *
 * @param content Markdown content
 * @returns Parsed SmFile object
 * @throws Error if validation fails
 */
export declare function parseSmFile(content: string): SmFile;
/**
 * Safe version of parseSmFile that returns a result object
 *
 * @param content Markdown content
 * @returns Parse result with success flag
 */
export declare function tryParseSmFile(content: string): {
    success: true;
    data: SmFile;
} | {
    success: false;
    error: string;
};
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