/**
 * @license
 * Copyright 2025 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
/**
 * Converts a PartListUnion into a string.
 * If verbose is true, includes summary representations of non-text parts.
 */
export function partToString(value, options) {
    if (!value) {
        return '';
    }
    if (typeof value === 'string') {
        return value;
    }
    if (Array.isArray(value)) {
        return value.map((part) => partToString(part, options)).join('');
    }
    // Cast to Part, assuming it might contain project-specific fields
    const part = value;
    if (options?.verbose) {
        if (part.videoMetadata !== undefined) {
            return `[Video Metadata]`;
        }
        if (part.thought !== undefined) {
            return `[Thought: ${part.thought}]`;
        }
        if (part.codeExecutionResult !== undefined) {
            return `[Code Execution Result]`;
        }
        if (part.executableCode !== undefined) {
            return `[Executable Code]`;
        }
        // Standard Part fields
        if (part.fileData !== undefined) {
            return `[File Data]`;
        }
        if (part.functionCall !== undefined) {
            return `[Function Call: ${part.functionCall.name}]`;
        }
        if (part.functionResponse !== undefined) {
            return `[Function Response: ${part.functionResponse.name}]`;
        }
        if (part.inlineData !== undefined) {
            return `<${part.inlineData.mimeType}>`;
        }
    }
    return part.text ?? '';
}
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