*
     * @param variableName The name of the environment variable.
     * @return The provider. Never returns null.
     * @since 6.1
     */
    Provider<String> environmentVariable(String variableName);

    /**
     * Creates a {@link Provider} whose value is fetched from the environment variable with the given name.
     *

    }

    @Issue("GRADLE-1762")
    def "build uses environment variables from where the build was launched"() {
        file('build.gradle') << "println providers.environmentVariable('foo').orNull"

        when:
        def out = executer.withEnvironmentVars(foo: "gradle rocks!").run().output

        then:
        out.contains("gradle rocks!")

        when:

            properties:
              concurrency:
                description: The number of worker threads to run.
                nullable: true
                type: integer
              environmentVariables:
                additionalProperties:
                  type: string
                description: Additional environment variables for the proxy.
                type: object
              image:

                description: The number of worker threads to run.
                format: int32
                minimum: 0
                nullable: true
                type: integer
              environmentVariables:
                additionalProperties:
                  maxLength: 2048
                  type: string
                description: Additional environment variables for the proxy.

for compatibility reasons.
Packages or programs may define additional settings for internal debugging purposes;
for example,
see the [runtime documentation](/pkg/runtime#hdr-Environment_Variables)
and the [go command documentation](/cmd/go#hdr-Build_and_test_caching).

### Go 1.23

Go 1.23 changed the channels created by package time to be unbuffered

                description: The number of worker threads to run.
                format: int32
                minimum: 0
                nullable: true
                type: integer
              environmentVariables:
                additionalProperties:
                  maxLength: 2048
                  type: string
                description: Additional environment variables for the proxy.

'Provides configuration for individual workloads. See more details at: https://istio.io/docs/reference/config/networking/proxy-config.html' properties: concurrency: description: The number of worker threads to run. nullable: true type: integer environmentVariables: additionalProperties: type: string description: Additional environment variables for the proxy. type: object image: description: Specifies the details of the proxy image. properties: imageType: description: The image type of the image. type:...

link:{groovyDslPath}/org.gradle.api.provider.ProviderFactory.html#org.gradle.api.provider.ProviderFactory:environmentVariable(java.lang.String)[providers.environmentVariable()] to task properties.

Some access patterns that potentially enumerate all environment variables or system properties (for example, calling `System.getenv().forEach()` or using the iterator of its `keySet()`) are