export interface ValidationError {
    field: string;
    message: string;
}
/**
 * Validates prompt name
 * @param name - The prompt name
 * @returns Validation error if invalid, null otherwise
 */
export declare function validateName(name: string): ValidationError | null;
/**
 * Validates prompt description
 * @param description - The prompt description
 * @returns Validation error if invalid, null otherwise
 */
export declare function validateDescription(description: string): ValidationError | null;
/**
 * Validates prompt content size
 * @param content - The prompt content
 * @returns Validation error if invalid, null otherwise
 */
export declare function validateContentSize(content: string): ValidationError | null;
/**
 * Validates tag format and limits
 * @param tags - Array of tags
 * @returns Validation error if invalid, null otherwise
 */
export declare function validateTags(tags: string[]): ValidationError | null;
/**
 * Validates file extension
 * @param filePath - The file path
 * @returns Validation error if invalid, null otherwise
 */
export declare function validateFileExtension(filePath: string): ValidationError | null;
/**
 * Validates all prompt data
 * @param data - The prompt data to validate
 * @returns Array of validation errors
 */
export declare function validatePromptData(data: {
    name?: string;
    description?: string;
    content?: string;
    tags?: string[];
}): ValidationError[];
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