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Search volume and Google Trends both use this country.", "default": "US" }, "language": { "title": "Language (optional)", "type": "string", "description": "Language code or name, e.g. en, fr or French. Leave empty for the country's main language. Only matters in multi-language countries (e.g. Canada: en/fr; Switzerland: de/fr/it; United States: en/es)." }, "includeTrends": { "title": "Add a Google Trends summary per keyword", "type": "boolean", "description": "Adds momentum (rising / falling / stable), change year on year, peak and seasonality with a plain-English summary. 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