[Improvement]: Method Size Too Large

[Ajai-Suvendran]

Description

During the compilation of a Ballerina program, the following error occurs:
ERROR [main.bal:(27:1,92:3)] method is too large: 'transformPacs009ToMt202COV'
error: compilation contains errors
This error indicates that the method transformPacs009ToMt202COV has exceeded the allowable size limit, likely due to an extensive number of operations or code complexity. This limitation could pose challenges for projects requiring large transformation logic in a single method.

Affected Version:
Ballerina 2201.10.1

test (2).zip
Use this to reproduce the error.

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Related area

-> Compilation

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[HindujaB]

The cause of the issue is similar to #43710.
According to #43710 (comment), we need to refactor the code by introducing local variables and moving them to separate functions.