/**
 * @fileoverview Tool: nws_get_observations — retrieves current weather observations.
 * @module mcp-server/tools/definitions/get-observations
 */
import { z } from '@cyanheads/mcp-ts-core';
import { JsonRpcErrorCode } from '@cyanheads/mcp-ts-core/errors';
export declare const getObservationsTool: import("@cyanheads/mcp-ts-core").ToolDefinition<z.ZodObject<{
    latitude: z.ZodOptional<z.ZodNumber>;
    longitude: z.ZodOptional<z.ZodNumber>;
    station_id: z.ZodOptional<z.ZodString>;
}, z.core.$strip>, z.ZodObject<{
    stationId: z.ZodString;
    stationName: z.ZodString;
    timestamp: z.ZodString;
    timeZone: z.ZodNullable<z.ZodString>;
    textDescription: z.ZodString;
    temperatureC: z.ZodNullable<z.ZodNumber>;
    dewpointC: z.ZodNullable<z.ZodNumber>;
    windSpeedKmh: z.ZodNullable<z.ZodNumber>;
    windDirectionDeg: z.ZodNullable<z.ZodNumber>;
    windGustKmh: z.ZodNullable<z.ZodNumber>;
    barometricPressurePa: z.ZodNullable<z.ZodNumber>;
    visibilityM: z.ZodNullable<z.ZodNumber>;
    relativeHumidityPct: z.ZodNullable<z.ZodNumber>;
    heatIndexC: z.ZodNullable<z.ZodNumber>;
    windChillC: z.ZodNullable<z.ZodNumber>;
    cloudLayers: z.ZodArray<z.ZodObject<{
        amount: z.ZodString;
        baseM: z.ZodNullable<z.ZodNumber>;
    }, z.core.$strip>>;
}, z.core.$strip>, readonly [{
    readonly reason: "missing_input";
    readonly code: JsonRpcErrorCode.ValidationError;
    readonly when: "Neither station_id nor a (latitude, longitude) pair was provided";
    readonly recovery: "Provide either station_id or both latitude and longitude.";
}, {
    readonly reason: "blank_station_id";
    readonly code: JsonRpcErrorCode.ValidationError;
    readonly when: "station_id was provided with a blank value";
    readonly recovery: "Omit station_id to resolve the nearest station from coordinates, or provide a real station ID (e.g., \"KSEA\"). Use nws_find_stations to discover station IDs.";
}, {
    readonly reason: "station_not_found";
    readonly code: JsonRpcErrorCode.NotFound;
    readonly when: "Station ID does not exist in the NWS network";
    readonly recovery: "Use nws_find_stations to discover valid station IDs near a coordinate.";
    readonly thrownBy: "service";
}, {
    readonly reason: "no_observations";
    readonly code: JsonRpcErrorCode.NotFound;
    readonly when: "Station has no recent observations available";
    readonly recovery: "Try a different station — use nws_find_stations to find alternatives nearby.";
    readonly thrownBy: "service";
}, {
    readonly reason: "no_stations_nearby";
    readonly code: JsonRpcErrorCode.NotFound;
    readonly when: "No observation stations exist near the requested coordinates";
    readonly recovery: "Try a different location or broaden the search by moving inland.";
    readonly thrownBy: "service";
}, {
    readonly reason: "out_of_scope";
    readonly code: JsonRpcErrorCode.ValidationError;
    readonly when: "Coordinates fall outside US National Weather Service coverage";
    readonly recovery: "Provide coordinates within US states, territories, or adjacent marine areas.";
    readonly thrownBy: "service";
}], {
    readonly station: z.ZodString;
    readonly observedAt: z.ZodString;
    readonly notice: z.ZodOptional<z.ZodString>;
}>;
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