public Builder clearColumn() {
          bitField0_ = (bitField0_ & ~0x00000002);
          column_ = 0L;
          onChanged();
          return this;
        }
<pre>
The source code column position (of the line) the current instruction
was generated from.
</pre>

<code>int64 column = 2;</code>

@return This builder for chaining.
java-workflow-executions/proto-google-cloud-workflow-executions-v1/src/main/java/com/google/cloud/workflows/executions/v1/Execution.java