src/main/java/com/aliyun/credentials/provider/EnvironmentVariableCredentialsProvider.java [22:40]:
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        if (!StringUtils.isEmpty(securityToken)) {
            return CredentialModel.builder()
                    .accessKeyId(accessKeyId)
                    .accessKeySecret(accessKeySecret)
                    .securityToken(securityToken)
                    .type(AuthConstant.STS)
                    .providerName(this.getProviderName())
                    .build();
        }
        return CredentialModel.builder()
                .accessKeyId(accessKeyId)
                .accessKeySecret(accessKeySecret)
                .type(AuthConstant.ACCESS_KEY)
                .providerName(this.getProviderName())
                .build();
    }

    @Override
    public String getProviderName() {
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src/main/java/com/aliyun/credentials/provider/SystemPropertiesCredentialsProvider.java [24:42]:
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        if (!StringUtils.isEmpty(securityToken)) {
            return CredentialModel.builder()
                    .accessKeyId(accessKeyId)
                    .accessKeySecret(accessKeySecret)
                    .securityToken(securityToken)
                    .type(AuthConstant.STS)
                    .providerName(this.getProviderName())
                    .build();
        }
        return CredentialModel.builder()
                .accessKeyId(accessKeyId)
                .accessKeySecret(accessKeySecret)
                .type(AuthConstant.ACCESS_KEY)
                .providerName(this.getProviderName())
                .build();
    }

    @Override
    public String getProviderName() {
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