private com.google.protobuf.MapField<java.lang.String, java.lang.String> internalGetMutableDetails() {
            if (details_ == null) {
                details_ = com.google.protobuf.MapField
                        .newMapField(DetailsDefaultEntryHolder.defaultEntry);
            }
            if (!details_.isMutable()) {
                details_ = details_.copy();
            }
            bitField0_ |= 0x00000004;
            onChanged();
            return details_;
        }
<code>float longitude = 2;</code>

@return This builder for chaining.
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/user/UpdateUserLocationRequest.java