You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: _dimension.rs
    path of file: ./repos/aws-sdk-rust/sdk/mwaa/src/types
    
    the code of the file until where you have to start completion: // Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.

/// <p><b>Internal only</b>. Represents the dimensions of a metric. To learn more about the metrics published to Amazon CloudWatch, see <a href="https://docs.aws.amazon.com/mwaa/latest/userguide/cw-metrics.html">Amazon MWAA performance metrics in Amazon Cl
    
    pub fn build(self) -> ::std::result::Result<crate::types::Dimension, ::aws_smithy_types::error::operation::BuildError> {
        ::std::result::Result::Ok(crate::types::Dimension {
            name: self.name.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "name",
                    "name was not specified but it is required when building Dimension",
                )
            })?,
            value: self.value.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "value",
                    "value was not specified but it is required when building Dimension",
                )
            })?,
        })
    }