/**
 * Generic parameter encoding system for transforming input parameters
 * Used to convert structured parameters into API-specific formats (MIME, JSON, etc.)
 *
 * This is YAML-driven via the parameter_encoding directive in tool definitions.
 * No tool-specific code needed - keeps Matimo universal.
 */
/**
 * Encoding configuration from YAML
 */
export interface ParameterEncodingConfig {
    source: string[];
    target: string;
    encoding: string;
    options?: Record<string, unknown>;
}
/**
 * Apply parameter encodings to transform input parameters
 * @param params - User-provided parameters
 * @param encodings - List of encoding configurations from tool YAML
 * @returns Parameters with encoded values added
 */
export declare function applyParameterEncodings(params: Record<string, unknown>, encodings: ParameterEncodingConfig[]): Record<string, unknown>;
/**
 * Example usage in YAML:
 *
 * execution:
 *   type: http
 *   method: POST
 *   url: 'https://www.googleapis.com/gmail/v1/users/me/messages/send'
 *   headers:
 *     Content-Type: 'application/json'
 *     Authorization: 'Bearer {GMAIL_ACCESS_TOKEN}'
 *
 *   parameter_encoding:
 *     - source: [to, subject, body, cc, bcc, isHtml]
 *       target: raw
 *       encoding: mime_rfc2822_base64url
 *
 *   body:
 *     raw: '{raw}'
 *
 * Then users call:
 *   matimo.execute('gmail-send-email', {
 *     to: 'user@example.com',
 *     subject: 'Hello',
 *     body: 'Hi there',
 *     GMAIL_ACCESS_TOKEN: token
 *   });
 */
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