/**
 * @module adaptive-expressions
 */
/**
 * Copyright (c) Microsoft Corporation. All rights reserved.
 * Licensed under the MIT License.
 */
/**
 * Convert a CSharp style datetime format string to a Day.js style datetime format string. Ref: https://docs.microsoft.com/en-us/dotnet/standard/base-types/custom-date-and-time-format-strings
 *
 * @param fmtString A CSharp style datetime format string. Ref: https://day.js.org/docs/en/display/format
 * @returns A Momengt.js style datetime format string.
 */
export declare function convertCSharpDateTimeToDayjs(fmtString: string): string;
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