/**
 * Converts snake_case to lowerCamelCase.
 *
 * Should behave like protoc:
 * https://github.com/protocolbuffers/protobuf/blob/e8ae137c96444ea313485ed1118c5e43b2099cf1/src/google/protobuf/compiler/java/java_helpers.cc#L118
 */
export declare function lowerCamelCase(snakeCase: string): string;