Interface ItemStorageInterface

Namespace: Net\Bazzline\Component\GenericAgreement\Storage
Located at Storage/ItemStorageInterface.php

Methods summary
`public mixed`	# `createItem( mixed $value, string $key = null )` Parameters `$value` `$key` Returns mixed Throws `Net\Bazzline\Component\GenericAgreement\Exception\InvalidArgument`\|`Net\Bazzline\Component\GenericAgreement\Exception\Runtime`
`public null`	# `deleteItem( string $key )` Parameters `$key` Returns null Throws `Net\Bazzline\Component\GenericAgreement\Exception\InvalidArgument`\|`Net\Bazzline\Component\GenericAgreement\Exception\Runtime`
`public null\|mixed`	# `readItem( string $key )` Parameters `$key` Returns null\|mixed Throws `Net\Bazzline\Component\GenericAgreement\Exception\InvalidArgument`\|`Net\Bazzline\Component\GenericAgreement\Exception\Runtime`
`public mixed`	# `updateItem( mixed $value, string $key )` Parameters `$value` `$key` Returns mixed Throws `Net\Bazzline\Component\GenericAgreement\Exception\InvalidArgument`\|`Net\Bazzline\Component\GenericAgreement\Exception\Runtime`

`public mixed`	# `createItem( mixed $value, string $key = null )` Parameters `$value` `$key` Returns mixed Throws `Net\Bazzline\Component\GenericAgreement\Exception\InvalidArgument`\|`Net\Bazzline\Component\GenericAgreement\Exception\Runtime`
`public null`	# `deleteItem( string $key )` Parameters `$key` Returns null Throws `Net\Bazzline\Component\GenericAgreement\Exception\InvalidArgument`\|`Net\Bazzline\Component\GenericAgreement\Exception\Runtime`
`public null\|mixed`	# `readItem( string $key )` Parameters `$key` Returns null\|mixed Throws `Net\Bazzline\Component\GenericAgreement\Exception\InvalidArgument`\|`Net\Bazzline\Component\GenericAgreement\Exception\Runtime`
`public mixed`	# `updateItem( mixed $value, string $key )` Parameters `$value` `$key` Returns mixed Throws `Net\Bazzline\Component\GenericAgreement\Exception\InvalidArgument`\|`Net\Bazzline\Component\GenericAgreement\Exception\Runtime`