# Alternatives, Inspiration and Comparisons { #alternatives-inspiration-and-comparisons }

What inspired **FastAPI**, how it compares to alternatives and what it learned from them.

## Intro { #intro }

**FastAPI** wouldn't exist if not for the previous work of others.

There have been many tools created before that have helped inspire its creation.

      val minFreshSecondsLong = timeUnit.toSeconds(minFresh.toLong())
      this.minFreshSeconds = minFreshSecondsLong.commonClampToInt()
    }

    fun build(): CacheControl = commonBuild()
  }

  companion object {
    /**
     * Cache control request directives that require network validation of responses. Note that such
     * requests may be assisted by the cache via conditional GET requests.
     */
    @JvmField

 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package okhttp3.internal.idn

import okio.Buffer
import okio.ByteString.Companion.encodeUtf8

/**
 * An [RFC 3492] punycode decoder for converting ASCII to Unicode domain name labels. This is
 * intended for use in Internationalized Domain Names (IDNs).
 *

import okhttp3.internal.deleteIfExists
import okhttp3.internal.isCivilized
import okhttp3.internal.okHttpName
import okhttp3.internal.platform.Platform
import okhttp3.internal.platform.Platform.Companion.WARN
import okio.BufferedSink
import okio.FileNotFoundException
import okio.FileSystem
import okio.ForwardingFileSystem
import okio.ForwardingSource
import okio.Path
import okio.Sink
import okio.Source

  /** Read a value as bytes without interpretation of its contents. */
  fun readUnknown(): ByteString = source.readByteString(bytesLeft)

  override fun toString(): String = path.joinToString(separator = " / ")

  companion object {
    /**
     * A synthetic value that indicates there's no more bytes. Values with equivalent data may also
     * show up in ASN.1 streams to also indicate the end of SEQUENCE, SET or other constructed

@file:Suppress("ktlint:standard:filename")

package okhttp3.internal

import okio.ArrayIndexOutOfBoundsException
import okio.Buffer
import okio.BufferedSink
import okio.BufferedSource
import okio.ByteString.Companion.decodeHex
import okio.Closeable
import okio.FileNotFoundException
import okio.FileSystem
import okio.IOException
import okio.Options
import okio.Path
import okio.use

@JvmField

     * response cache won't be used.
     */
    private fun hasConditions(request: Request): Boolean =
      request.header("If-Modified-Since") != null || request.header("If-None-Match") != null
  }

  companion object {
    /** Returns true if [response] can be stored to later serve another request. */
    fun isCacheable(
      response: Response,
      request: Request,
    ): Boolean {

}

data class Scenario(
    val className: String,
    val scenario: String,
) {
    companion object {
        fun fromTestId(testId: String): Scenario {
            val dotBeforeScenarioName = testId.lastIndexOf('.')

import okhttp3.internal.http2.Http2.TYPE_GOAWAY
import okio.Buffer
import okio.BufferedSink
import okio.BufferedSource
import okio.ByteString
import okio.ByteString.Companion.decodeHex
import okio.ByteString.Companion.encodeUtf8
import okio.GzipSink
import okio.buffer
import org.junit.jupiter.api.Test

class Http2Test {
  val frame = Buffer()
  val reader = Http2Reader(frame, false)

import kotlin.text.Charsets.UTF_32LE
import kotlin.text.Charsets.UTF_8
import kotlin.time.Duration
import okhttp3.Dispatcher
import okhttp3.EventListener
import okhttp3.Headers
import okhttp3.HttpUrl
import okhttp3.HttpUrl.Companion.defaultPort
import okhttp3.OkHttpClient
import okhttp3.Response
import okhttp3.internal.http2.Header
import okio.Buffer
import okio.BufferedSource
import okio.Source