import { GraphSpec } from '../generation/spec';
/**
 * Load a GraphSpec from a JSON file.
 * @param filepath
 */
export declare const loadSpecFromFile: (filepath: string) => GraphSpec;
/**
 * Parse a GraphSpec from a JSON string.
 * @param content
 */
export declare const loadSpecFromString: (content: string) => GraphSpec;
/**
 * Create a GraphSpec from CLI flags.
 * Supports common property overrides like --directed, --connected, etc.
 * @param flags
 */
export declare const specFromFlags: (flags: Record<string, unknown>) => GraphSpec;
/**
 * Serialize a GraphSpec to JSON string.
 * @param spec
 * @param pretty
 */
export declare const specToJson: (spec: GraphSpec, pretty?: boolean) => string;
/**
 * Merge two GraphSpec objects, with overrides taking precedence.
 * @param base
 * @param overrides
 */
export declare const mergeSpecs: (base: GraphSpec, overrides: Partial<GraphSpec>) => GraphSpec;
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